Welcome to the world of Linux and MEPIS. If you have just booted the MEPIS Linux LiveCD, you have the opportunity to explore some of the features of a whole new computer operating system before you decide to install it! Exploration, evaluation, comparison. . .decision. So far you have taken the first solid step toward a better computing experience, so enjoy exploring MEPIS Linux 8.5!
MEPIS Linux 8.5 is based on Debian 5.0, codename “Lenny,” though the Kernel version is actually the newer 2.6.32. In view of stability and software availability, KDE 4.3 is provided as the desktop environment.
Relax—you're among friends. The MEPIS community includes tens of thousands of people like you who want to work and play on their computer free of blank blue screens, viruses, and spyware—while paying only a fair and modest price for all of the software they need.
MEPIS Linux is intended to be easy to try, easy to install, and easy to use. This guide is meant to be your roadmap for getting started with MEPIS Linux. We show you how to boot from CD, how to test drive MEPIS Linux, how to install on your hard drive, and how to start using MEPIS Linux as a complete replacement for your current operating system.
You'll find lots of helpful people at the MEPIS forum sites listed in Section 11, along with many other resources to get you started.
If you are a developer, you have the freedom to remaster a customized version of MEPIS Linux. We have people who have done that. In fact one of them did such a nice job of converting MEPIS Linux into a distro to use for old computers with low processing power and RAM by today's standards, that we invited him to become a member of the official MEPIS family, with his antiX Operating System.
But it doesn't matter who you are. From computer professional to first-time computer user, we have tried to make an operating system for you. . . for free. . .for whatever you need to accomplish.
Good luck and have fun!
MEPIS Linux is a ready-to-use desktop operating system for PC computers that have Intel or AMD processors with either 32 or 64 bit architecture and for Apple computers with Intel processors. It is designed to work side-by-side with Microsoft's Windows or Apple's Mac OS X in a dual-boot configuration, or to replace your old Operating System entirely.
MEPIS Linux 8.5 comes in two different versions:
The 32-bit version will work for 64-bit architecture and may actually be better for many users, because they will have more multimedia codes. The only advantage of 64-bit is that it is faster for a few applications and possibly more on the cutting edge of technology.
For system requirements and recommendations, please consult Section 3.1.
MEPIS LLC and MEPIS Linux were founded by industry veteran Warren Woodford in November 2002 to create a user-friendly Linux version that “just works” based on Debian Linux. The first release was in May 2003. In July 2006, MEPIS transitioned with the release of 6.0 from using Debian packages to using packages and repositories from Ubuntu 6.06LTS (“Dapper Drake”).
A major upgrade (6.5) came out in April 2007, introducing for the first time 64-bit and Mactel support. A few months later, anticapitalista, a member of the European MEPIS community, released his well-received antiX based on a MEPIS Linux core and optimized for old and low-spec computers.
In Version 7.0, released in December, 2007, MEPIS Linux switched its base to a combination of MEPIS packaged binaries, based on Debian and Ubuntu source code, combined with a Debian Stable OS core and extra packages from Debian package pools. As the developer explains: “By using the latest Debian and Ubuntu source code for building user applications, we can provide the best latest versions of the applications users want the most. And by building on top of a Debian Stable core, we can provide a release that has the stability and long life that users want.” The emergence of a Community Packaging Team has allowed users to remain current with application releases while retaining the signature stability.
MEPIS development continues to track Debian development. MEPIS 8.0 was released in February 2009 as “Lenny” became the new Debian Stable 5.0, and now MEPIS 8.5 integrates the KDE 4.3 desktop with that release.
If you use MEPIS Linux, please consider paying for your copy by contributing or shopping at the store.
MEPIS Store: http://www.mepis.org/node/14274.
Debian Lenny: http://www.debian.org/releases/lenny/
This User's Manual is the product of large group of volunteers from the MEPIS user community. As such, it will inevitably contain errors and omissions, although we have worked hard to minimize them. Please send us suggestions for improvement using one of the methods listed in the left panel.
The Manual is designed to walk new users through the steps of obtaining a copy of MEPIS Linux 8.5, installing it, configuring it to work with one's own hardware, and putting it to daily use. Updates will be available on a regular basis through the standard package procedures.
If you are looking for something in particular,you can use the menu in the left panel, the Table of Contents, or the browser's search function (Ctrl+F)
Some terms that might be unfamiliar to some readers appear in green. Hover your mouse over one of these words for a brief definition, or click on it to go to the Glossary entry for that term. Your browser's back button will return you to your original spot. Or right-click on the special term link and choose Open in new Window or Open in new Tab.
All content is © 2010 by MEPIS LLC and released under Creative Commons Attribution 2.5. Citation should read:
MEPIS Community Documentation Project: 2010. MEPIS 8.5 User's Manual [Version 1.0]
For help outside the scope of this Manual, see Section 11.
Creative Commons license: http://creativecommons.org/licenses/by/2.5/
The MEPIS Linux LiveCD (or LiveDVD) or Live USB boots your computer without accessing the hard disk. It copies a virtual filesystem into RAM that acts as the center of a temporary operating system for the computer. When you end your LiveCD session, everything about your computer is back to the way it was, unchanged.
This provides a number of benefits:
Running from the LiveCD also has some disadvantages:
If you don't have a copy of MEPIS Linux 8.5 on a CD or DVD already, here are the ways to obtain a copy.
The advantages of buying your LiveCD from MEPIS include ease of setup and—with a subscription—early access to upgrades and new versions.
MEPIS Store: http://www.mepis.org/node/14274
You can download any testing or final release versions of MEPIS Linux for free from one of the public mirror sites listed on the page linked below. Sometimes the mirrors are a bit behind the MEPIS Subscription download site, and some mirrors get out-of-date from time to time. If you can't find a particular version at one site, it may be available at one of the other sites. Downloading the current MEPIS ISO via bit-torrent is also an option.
The LiveCD you download is actually an ISO: a disk image file in the ISO 9660 file system format. Before trying to turn it into a Mepis LiveCD, please consult Section 2.2.
If you use a free version of MEPIS Linux, please consider making a donation to support further development of MEPIS Linux.
This page provides guidance if you intend to download an ISO and burn your own CD or DVD instead of buying it from the Mepis Store.
Here are a few considerations to keep in mind:
BitTorrent file sharing (see also Section 8.1) provides an internet protocol for efficient mass transfer of data. It decentralizes the transfer in such a way as to utilize good bandwidth connections and to minimize strain on low-bandwith connections. An added benefit is that most, if not all, BitTorrent clients perform error checking during the download process, so there is no need to do a separate md5sum check after your download is complete. It has already been done!
The MEPIS Torrent Team also maintains a seeded bit-torrent swarm of the latest MEPIS Linux ISO, registered at LinuxTracker.org within 24 hours of its official release. Bit-torrent downloads may be somewhat slow following a major release. See MEPIS Torrent Team Project in links section
If you are not familiar with BitTorrents, see the Links and Guides section for sources of more information.
If you are downloading a MEPIS Linux ISO via BitTorrent, you can skip the next section about verifying the md5sum and go directly to 2.3: Burning the CD
After you have downloaded an ISO, the next step is to check its md5sum against the official one. The md5sum is the result of a complex calculation on the contents of a file: the outcome is a unique string. It will be identical to the official md5sum if your copy is authentic. The following steps will let you verify the integrity of the downloaded ISO on any OS platform:
Windows users should download a tool called md5summer (link below):
Method 1. The easiest way to check an ISO's integrity in Linux is to use K3b, the CD/DVD burner that is installed with MEPIS Linux 8.0. When you first load an ISO file into K3b, it will automatically calculate and display the md5sum. You can be confident the download is valid if the final five characters match those in the md5sum file you downloaded with the ISO.
Method 2. If not using K3b, open up a console/terminal and type:
where directoryname indicates the location of the ISO and md5sum files (usually /dev/cdrom). Then type:
Be sure to replace filename with the actual filename (type in the first couple of letters then hit Tab and it will be filled in automatically).
Compare the number obtained by this calculation with the md5sum file downloaded from official site. If they are identical, your copy is identical to the official release.
Mac users need to open up a console/terminal and change into the directory with the ISO and md5sum files. Then issue this command:
md5 -c filename.md5sum
Be sure to replace filename with the actual filename (type in the first couple of letters then hit Tab and it will be filled in automatically).
Once you have successfully downloaded an ISO and verified its integrity, you are ready to create a bootable medium. For most users, this will be a LiveCD or DVD, but netbook owners and others may need or want a Live USB.
The following method describes burning with K3b, the default application in MEPIS Linux, but you can use any burner or the command line just as well.
If you already have a CD burning program installed on your computer such as Nero and EasyCD Creator (Roxio), go directly to Step 2.
NOTE: the program names here are used as examples only, and no endorsement or guarantee is intended.
You probably already have Toast (Roxio) or a similar CD/DVD burning program installed. Just follow Step 2 above.
It is a good idea to verify the integrity of the burn, just as you did of the ISO (in Section 2:2). If you didn't burn your new MEPIS Linux LiveCD/DVD with a program that can verify the data after the burn, you can check its integrity another way.
In terminal type:
Depending on your system you might need to replace cdrom with cdrom1 or another device name like hdc or scd0 (/dev/cdrom is the first CD drive, /dev/cdrom1 is the second one, etc.). Check /etc/fstab to see the device names on your system.
Wait for the MD5 sum to be calculated, and compare it with the sum obtained from the download site: they should be the same.
NOTE: the Windows program cited here is used as an example only, no endorsement or guarantee is intended.
When you select to verify the data in Toast or another burner, a byte-for-byte comparison with the ISO file will be carried out to check the CD's integrity.
If you verified the md5sum of the ISO before you burned, but the CD-ROM you burned is no good:
Netbooks typically lack a CD drive, so a Live USB is required for temporary use and installation. Other users may also want a Live USB. Once you have obtained the ISO, whether by purchase or download, you can easily create a bootable USB that works on most systems.
If you have an existing installtion of MEPIS 8.5, or can boot the LiveCD on a different computer, then a MEPIS application is available to you that makes the process easy.
If you need or want to create the Live USB from the netbook itself, you should use an alternative method:
Whichever method you used to create the Live USB, you will probably need to take a few steps to get your netbook to boot correctly using the USB.
Before launching into an installation of MEPIS Linux, there are a few steps you will want to take. This includes checking your hardware for compatibility issues, preparing your hard drive, and backing up any important files from your current operating system.
The following are minimum and recommended hardware requirements for installing MEPIS Linux 8.5. Keep in mind the following:
Note that minimum specifications usually allow installation and booting, but severely restrict performance.
If you are going to install MEPIS Linux 8.5 as a replacement for Microsoft Windows®, it is a good idea to consolidate and back up your files and other data currently stored in Windows. Even if you are planning to dual-boot, you should make a backup of this data in case of unforeseen problems during the install.
Locate all of your files, such as office documents, pictures, video, or music:
Depending on the email or calendar program you use, your email and calendar data may not be saved in an obvious location or under an obvious file name. Most email or scheduling applications (such as Microsoft Outlook®) are able to export this data in one or more file formats. Consult your application's help documentation to find out how to export the data.
If you have a copy of the original WinXP CD (SP2 only!), insert it into your drive when you're in Windows and when the autorunner starts choose Perform additional tasks >Transfer Files and Settings, then Old computer to backup most of your files and preferences for Windows-based programs to a file on your hard disk, which can then be burned to a CD or DVD for restoration later if things go wrong.
NOTES: 1) The resulting file can grow to huge proportions. There is no option to split the file if it grows too big, so choose the option to transfer only the settings and copy the remaining files you want to keep separately. 2) Do not rely on this method to backup email and browser data for other programs than Microsoft's own.
Although not usually stored in readable files that can be backed up, it's important to remember to make note of various account information you may have saved in your computer. Your automatic log-in data for websites or services like your ISP will have to be entered in all over again, so make sure to store off disk the information you need to access these services again. Examples include:
Web browser favorites (a.k.a. bookmarks) are often overlooked during a backup, and they are not usually stored in a conspicuous place. Most browsers contain a utility to export your bookmarks to a file, which can then be imported into the web browser of your choice in MEPIS Linux. Here are some export methods for common web browsers:
Many proprietary programs for Windows are not installable without a license key or CD key. Unless you are set on doing away with Windows permanently, make sure you have a license key for any program that requires it. If you do decide to reinstall Windows (or if dual-boot setup goes awry), you will be unable to reinstall these programs without the key.
If you cannot find the paper license that came with your product, you may be able to locate it in the Windows registry, or using keyfinder software (example link below).
Insert the disk into your CD or DVD drive (or the Live USB into a port) and restart your computer. You may need to set your system to boot from the medium first, see Troubleshooting below for details.
Once you have booted to the live medium, you will be presented with a menu offering various choices; these are handled by a bootloader named GRUB that allows you to have several operating systems on your computer. The default boot choice should work for most computers.
Make sure to note the function keys at the bottom of the screen:
A particularly useful boot option is R/W filesystem, which allows software to be installed temporarily for hardware testing purposes. Once booted into the desktop, you will be able to add software. Note that a minimum of one gigabyte of RAM is recommended for this option.
When GRUB hands off the booting process to the Linux kernel, you will see a MEPIS graphical screen, called “Splashy”, with an expanding horizontal bar that indicates booting progress. If you hit the Ctrl-Alt-F1 keys together Splashy will be disabled, and you can view a console screen and read the booting messages that echo on the screen. (This can be made permanent after installation.) Sometimes this can be helpful in troubleshooting boot problems.
If all has gone well, you should be looking at a graphical login screen asking for a username and password. Type in demo for both and hit Enter to log in to MEPIS Linux.
The KDE 4.3 desktop which appears for the first time in MEPIS 8.5 is very different from the KDE 3.5 one with which MEPIS users are familiar. This section is designed to acquaint you with its basic features, liberally borrowing material from KDE.org documentation and other online resources. For more info and customization options, follow the Wiki link at the end of this section.
Plasma provides the desktop interface for KDE 4, including the application launcher (start menu), the desktop and the desktop panel. Plasma also provides many standardized services such as artwork, presentation and script management.
Plasma uses a system of applets (any small application that performs one specific task, often within a larger application) that are collectively called plasmoids, but range from informative widgets (see below) to mini-applications like calculators and dictionaries. An applet may also contain another applet (known then as a containment). An important feature of Plasma is that there is no longer a distinction between panels (like the taskbar), desktop icons, and widgets; they are all created and treated the same way.
What is commonly referred to as the “cashew” is the Plasma logo you can find on the default desktop, on the upper right corner, and on the right-hand side of the panel. By right-clicking to unlock widgets and clicking on a cashew, you can access configuration options and features; you can also just right click on the desktop.
A widget is a basic visual building block of the Plasma desktop (the GUI) which, combined in an application, holds all the data processed by the application as well as the available interactions with this data. Other common names are applet or gadget. Superkaramba Themes, Apple's Dashboard, Google Gadgets, Yahoo Widgets, Vista Sidebar Widgets, Opera Widgets are all examples of other widget systems, some of which Plasma also supports.
A certain number of widgets are supplied by default, and others are downloadable via the Add Widgets dialogue box. To add a widget to the desktop or panel, first unlock the widgets if they are locked, then simply right-click anywhere, select Add Widgets..., and choose the widget from the list. Particularly useful widgets include:
When you are done configuring your widgets (including the panel), don't forget to lock them by right-clicking on the desktop (or the panel, under Panel Options) and selecting that command. This will prevent your widgets from possibly moving around or disappearing.
Additional widget source files can be obtained from KDE-look.org under plasmoids. Those that are not directly downloadable (as binaries from the "Add Widget" dialog) can be downloaded as source files that will need to be compiled (see Section 7.3). Compiling instructions are included in the compressed file that contains the source code.
By default, the panel ("Kicker" in KDE3.5) appears along the bottom of the screen, and takes up much of the width of the screen. It is something of a one-stop shop for almost anything that you might want to access quickly. MEPIS comes with a default panel described below, but the panel is also capable of running any docked widgets and extensions, such as child panels.
Icon key to default panel:
There are other options off the context menu when you left-click the panel's cashew on the right end and select Panel Settings:
You have the option of 3 menus in KDE 4:
The first two are installed by default, and are toggled by unlocking widgets, then right-clicking the menu icon and selecting the alternative. Lancelot must be installed as a widget; once it is installed, the classic Menu can be restored by installing the widget "Application Launcher."
The KDE control center is called “System Settings,” and is the place to go to change any settings that affect the whole KDE environment. You can open it from the crossed tools icon in the panel, or by clicking Start Menu > Settings > System Settings.
The System Settings screen is divided into two tabs, General and Advanced. Beginning KDE 4 users should explore the General tab, which covers these areas:
Krunner is tool for searching and launching files and applications. It can also be used for more generic operations such as calculator or unit converter. To start it: 1) use the menus (Classic Menu >Run Command, at the top of Kickoff and Lancelot) 2) Press Alt+F2, 3) right-click the desktop >Run Command. The KDE 4 version performs many functions (click the question mark for help), for instance:
32*12= or =32*12(You can put the = sign before or after the expression). It is possible to evaluate more sophisticated expressions such as:
=sqrt(4) + 32 * sin(60)
3m in ftyou will see the result: 9.84251968503937.
cp ~/Documents/myFile ~/myFile
Dolphin is the default file manager in KDE 4. It includes several unique enhancements for the user that aren't available in Konqueror. By focusing exclusively on file management, Dolphin avoids many of the pitfalls inherent in the Konqueror approach familiar from KDE 3.5, leading to such items as a more flexible sidebar system and a less-invasive notification system that doesn't interrupt user work flow. Konqueror can still be used as file manager (as can other alternatives, for that matter) and in fact it shares the fileview functionality with Dolphin.
On the left-hand side, Dolphin's Panel provides quick access to your most often used locations, called “Places.” Just drag a folder to the sidebar and be able to quickly access it, from not only Dolphin itself, but also from the KickOff Places tab and the Lancelot Computer tab. Right-click an empty space to see other options.
Some hints and tips to get you started:
For more tips and hints, as well as customization ideas, follow the link below to the Wiki.
Desktop Activities is a desktop usability concept that allows you to have multiple settings for your desktop or desktops, something not possible for the virtual desktops accessible through the Pager. Activities allow you to specialize each desktop (AKA "activity") to whatever task you need to accomplish, and to distinguish it by selecting a different set of plasmoids/wallpapers/information for each."
To create a new activity, click on the Desktop upper-corner cashew >Unlock Widgets, then click on it again >Zoom Out. This causes the desktop to shrink. Now click on the green plus sign "Add Activity" and you should see a new blank desktop besides the old one. This can be repeated multiple times. Click on the + (plus sign) for the desktop you wish to use, then set up your Desktop by clicking on the wrench icon (Desktop Settings) below it; when you have finished, do not forget to lock widgets. If you want to remove an activity later, unlock the widgets and zoom out from your current desktop view, then select the red cross from the toolbar underneath to remove the activity.
To switch quickly between the activities: create a new panel and locate it where you want it, then add the widget "Activity Bar" to the panel. If you like, you can resize the panel to match the bar and set it to auto-hide.
There are a few programs you may want to investigate while booted to the LiveCD:
For more information on available applications, see Section 8.
One of the best things about the LiveCD is that you can use it to test your hardware's compatibility with MEPIS Linux without installing it to your hard drive. Keep in mind that in general everything runs much more slowly from the LiveCD.
While booted to the LiveCD, make sure you test:
Some hardware may require the installation of drivers to work correctly; although this is usually done after a hard drive install, it is possible to use the boot option aufs which will allow you to temporarily install a driver (or other software) to your LiveCD session. For details, see the link under Links and Guides.
CD won't boot. If you have checked the integrity of your ISO, make sure your computer is set to boot to the CD drive. Newer computers often have a hotkey such as F8, F10, or F12 which will invoke a boot device menu when pressed during startup. For older machines, you may need to edit your system's boot device order in the CMOS (BIOS) settings. Please consult your system's operating manual for the correct procedure.
LiveCD stops during boot, or once booted performs exceptionally poorly. Try some of the Boot Options that can be found by clicking F1 on the opening screen (GRUB). Problems with hardware, for instance, can often be overcome by entering noacpi, noapic, and/or nolapic.
Does not boot to graphical login (kdm). First, check that you have a good download and burn, as described earlier. If that is OK, then try these steps:
Sound not working. Here are some steps to follow if you have no sound:
alsaconf alsactl storeNote: 1) alsactl is part of alsa-utils, which is not installed by default; 2) in mid-2009 '''alsaconf''' was removed from alsa-utils and is no longer available through the Debian repos. It has been packaged by a Community Member and can be found by searching on Mepis Community Forum
kdesu kwrite /etc/modprobe.d/snd-hda-intelOnce that file opens, comment out the first line; if that doesn't work, try commenting out the second line instead if it is not already. Save, and then run alsaconf.
Options snd-hda-intel model=lenovoor the name of your sound card, for instance
Options snd-hda-intel model=Realtek ALC888You can get your card model by entering in a terminal:
cat /proc/asound/card0/codec#* | grep Codec
Before starting the install, you may wish to prepare the partitions on your hard drive to install MEPIS Linux 8.5. You can do this during installation, but it is recommended that you do it before starting the install. Note that some older hardware may require a restart after the partition tables are edited.
To prepare the hard drive for MEPIS Linux 8.5, it is recommended that you create three partitions: one for the root of the filesystem, one for the user home directories, and one for swap (virtual memory). You do not have to create a separate home, but it makes upgrades easier and protects against problems caused by users filling up the drive. If you choose to install to the entire disk without partitions, you can skip this next section.
Before you begin editing partitions, it is critical that you understand how MEPIS Linux (and other Linux operating systems) refers to hard drives and hard drive partitions.
Unlike Windows, which assigns a “drive letter” to each of your hard drive partitions, MEPIS Linux 8.5 assigns a short device name to each hard drive or storage device on a system. The device names always start with sd plus a single letter. For instance, the first drive on your system will be sda, the second sdb, etc. Within each drive every partition is referred to as a number appended to the device name.
Thus, for instance, “sda1” would be the first partition on the first hard drive, while “sdb3” would be the third partition on the second drive. It is important to understand the difference between referring to an entire device (such as sda) and a partition on the device (such as sda1).
Resizing an NTFS (Windows NT File System) partition with KDE Partition Manager is generally a painless and simple procedure. However there are some small risks, particularly if your hard drive is old or very full. You can mitigate these risks by taking the following steps on your Windows installation (consult your online Windows help (F1) if you are unsure how to perform any of these tasks):
The motto of MEPIS Linux 8.5 is “Easy to try, easy to install, easy to use.” And indeed, you will most likely discover that MEPIS Linux is the easiest and friendliest operating system installation you have ever used.
At this point, you should have done the following:
Now all you will need to do is run through the simple installation wizard and then restart your machine. Depending on your configuration, this will probably take less than 15 minutes, and could even be as little as 5 minutes!
These instructions should cover most installation scenarios; for more details or for unusual circumstances, see the left panel of the MEPIS installer as you go through, or check the links below.
In most cases the MEPIS Linux 8.5 installation process should go fine. But sometimes things can go wrong (because of user error, for instance) and potentially wipe out the contents of your hard drive. If you are not prepared for that possibility, stop now and protect your data.
Boot to the LiveCD (see Section 3.3). Once at the desktop, click the MEPIS Install icon and enter root when prompted for a password.
Select the disk on which you wish to install MEPIS Linux 8.5. Refer to Section 3.4 if you are not sure what the Linux hard drive names mean. What you do next is determined by how you wish to set up your computer:
If you chose Auto-install using entire disk on the last page, you will not see this page. Skip to the next step.
MEPIS Linux 8.5 will now begin the install. You will be prompted to confirm the formatting of each partition (or the entire disk). Answer “YES” to each, then sit back, relax and read the informational messages while MEPIS Linux is copied to your hard drive.
You now need to install GRUB, the bootloader (see Section 5.4). In most cases, you should go with the default setting (MBR). Select root if you are an expert, as you will need to manually edit the existing boot loader to boot to MEPIS Linux, either directly or by chainloading.
If you are installing to MBR and have more than one hard drive, make sure you have the correct drive selected for “system boot disk.” Usually this will be the first drive on the system (sda).
NOTE: The initrd option refers to an initial RAM drive, a virtual hard drive created in the system's memory that allows the kernel to load special driver modules required to read the boot device (hard drive). It is the default setting.
On this page you can enable or disable a few common services:
Here is where you specify your computer's name and domain. On most home networks the domain does not matter; however, if you are on a large corporate network, or your network has its own internal DNS server, you can set your domain name here.
You can also enable or disable the Samba server and configure the Samba workgroup (see Section 5.6.3). If you have other computers running Windows on your network and wish to share files or printers to them, enable this setting.
If you are in the United States, the default locale settings should be fine for you. If you are outside the USA, select the keyboard and locale settings appropriate to your language and country.
You can also indicate here whether your hardware clock is set to GMT (a.k.a. UTC). If you are dual-booting with Microsoft Windows, you will want to leave this unselected. If you are installing on Apple hardware or if this computer will only run Linux, check this box.
On this page you will set up a username and password for the default user, and a password for the root (administrative) user.
This concludes the setup. Click Finish, and you will be prompted as to whether or not you want to reboot. Click YES. The LiveCD will shut down and the disk will be ejected. You can now boot into MEPIS Linux!
If you are trying to install MEPIS Linux 8.5 on older hardware, and the LiveCD is running very slowly, try the following:
Even if your computer does not have a bootable CD or DVD drive, you can install MEPIS Linux 8.5.
For instance, if your system supports booting from a USB drive (Apple does not) you should be able to boot to the flash drive and proceed with the install normally. On a second computer, boot to the LiveCD and create a bootable MEPIS Linux 8.5 flash drive using the MEPIS System Assistant. Most users report this method is actually much faster than a traditional CD installation. Check the MEPIS Wiki for details and current status.
For other alternative boot methods, see this Links and Guides subsection.
If MEPIS Linux 8.5 is locking up during installation, it is usually due to a problem with faulty computer hardware, or a bad CD. Refer to Section 2.3 for details on verifying your MEPIS Linux 8.5 CD.
If you have determined that the CD is not the problem, it may be due to faulty RAM, a faulty hard drive, or some other piece of faulty or incompatible hardware.
After a reboot, it sometimes happens that your computer reports that no operating system or bootable disk was found. Usually, this means that either you failed to install GRUB, or you failed to mark at least one partition bootable (a.k.a. “active”) during custom partitioning of the hard drive.
To fix this, try the following:
MEPIS Linux 8.5 is compatible with Apple Intel computers: those based on Intel x86 CPUs, with the exception of some small details. Intel Core 2 or Xenon-based Apple computers can run 64-bit MEPIS, but all Intel-Core-based Apple computers can run 32-bit MEPIS.
MEPIS Linux 8.5 has a utility for preparing your Apple bootable hard drive for OS X so that you can install MEPIS Linux painlessly. This MEPIS Assistant is compatible with OS X Tiger and Leopard. There is a README file in the in the LiveCD OSX directory with more information.
Instructions for installation:
NOTE: the Installer disables options that would be likely to damage your OS X System Drive. Do not try to use Parted, KDE Partition Manager, or QTParted to do anything on an OS X System Drive. If used, parted will probably destroy the OS X installation and make the disk unbootable.
In many instances, removing MEPIS is no different from that of any other operating system. But when you need to remove MEPIS from a dual boot system and restore the original single partition structure, the procedure is somewhat more complicated.
If GRUB (the boot loader used by MEPIS Linux) was installed on the MBR (master boot record at the very beginning of a hard drive), you will probably also have to reinstall the Windows bootloader in one of the following ways:
root (hd0,0) chainloader +1 bootNOTE: (hd0,0) may have to be changed, depending on which disk/partition Windows is installed.
C:\I386\WINNT32.EXE /cmdconsNOTE: The I386 folder may appear in different places on different systems.
ms-sys -m /dev/sdaNOTE: if the boot disk is different than sda, then change the name accordingly.
This section covers configuration instructions in order to get your system running correctly from a fresh installation of MEPIS Linux. For optional customization and personalization features, see the first two items under Links and Guides at bottom. Click on any of the following links for details about configuration in that topic area:
After a fresh installation many people find these first steps useful to get going. For more personal customizations, see final link.
This section covers how to install and set up peripherals in MEPIS Linux.
Click on the item that interests you to see details on how to set up that peripheral.
In most cases MEPIS Linux will add a camera automatically:
If your camera uses a multimedia card for storage, as many do, you may find it easiest to use a card reader (cheap if not built in) to connect to your USB port. Under MEPIS Linux, it will usually show up as an additional media device on your desktop, and you can read and write to it as if it were a hard or floppy disk.
gphoto2 --versionYou may need a new version of gphoto2 if the older version of the program does not recognize the camera. See whether one is available from MEPIS Repositories or search the MepisCommunity Forum (see Links & Guides). See Section 7.3: Other install methods: source code if you need to compile it yourself.
See also Section 5.5: Display
In most cases, the monitor will be recognized by MEPIS Linux when the LiveCD is booted, and the appropriate driver will be included when the OS is installed on the hard drive.
Most of the time your monitor will be picked up automatically by MEPIS Linux, and the right graphic driver will be loaded without problem. If not, try these steps one at a time:
USB printers plugged directly into the computer will probably be automatically recognized and installed by a KDE utility that does the configuration, though they can also be manually installed. Printing itself is enabled by CUPS (Common UNIX Printing System).
All printer management is handled by Printer Configuration, found by clicking Start Menu > Settings > System Settings. On the “General” tab under Computer Administration, click on Printer Configuration. Any printer automatically installed will be listed there. On the left-hand side you will see an entry for New Printer, with buttons on the right to start up the appropriate wizard for a new network printer or printer class (group, e.g., "color printers"). Also there is an entry for Server Settings, which you would use when sharing a printer (see Section 9.1).
Webcams have traditionally been tricky to configure with Linux. However, MEPIS Linux 8.5 uses the latest Linux kernels, which include webcam drivers that make the process easier than before.
Here are the basic steps to take:
lsusbOutput for the webcam will resemble this:
Bus 001 Device 002: ID 046d:0870 Logitech, Inc. QuickCam Express
NOTE: If looking to buy a new webcam, many users report consistent good luck with those supported by uvcvideo, and gspca, now supplied as kernel modules.
Scanners are supported in Linux by SANE (“Scanner Access Now Easy”) which is an application programming interface (API) that provides standardized access to any raster image scanner hardware (flatbed scanner, hand-held scanner, video- and still-cameras, frame-grabbers, etc.).
You can manage your scanner in MEPIS Linux 8.5 with the KDE frontend Kooka (not installed by default) by following these steps:
Success with using a PDA on MEPIS Linux depends on the handheld OS and hardware being used.
PalmOS devices have traditionally worked pretty well with Linux. All interactions depend on pilot-link, an application that is not installed by default with MEPIS Linux. On MEPIS Linux 8.5, users have had success using Jpilot to sync data to the desktop, though without integration into KDE applications such as Calendar or Contacts.
The following technique works on MEPIS with many Palm devices.
pilot-link jpilot libpisock9There is a more recent version of Jpilot available from Debian Testing (Squeeze) that installs without problem on MEPIS Linux 8.5
At the present, synching a PDA that's running Windows Mobile 2003 or 2005 OS is somewhat difficult, as is any RIM Blackberry PDA. However, there are active projects working on this and you can use Bluetooth to move files. Check the sites linked below for new developments.
With the latest kernels used by MEPIS Linux, using portable media players such as iPod, Creative Zen, or iRiver has become very easy. Two good graphical frontend applications available for managing songs and playlists with MP3 players are Amarok and Gtkpod
Check the application web sites linked below for detailed information.
A unique feature of MEPIS Linux is the group of configuration utilities known collectively as the MEPIS Assistants, located in Start Menu > Settings or Start Menu > System. The MEPIS Installer is treated separately in Section 4.
Configure your network access with MEPIS Network Assistant (command line: mnetwork), by clicking Start Menu > Settings > MEPIS Network Assistant. The interface has five tabs. Be sure to click Apply when you make a change on any tab (you will see a warning if you don't).
This tab provides easy access to network diagnostic problems using well-established tools.
This utility allows you to make various adjustments to your system, running as root. You can start the utility from Start Menu > Settings > MEPIS System Assistant (command line: msystem). The interface has four tabs:
This utility aids in adding, editing, removing users to your system. You can start the utility from Start Menu > Settings > MEPIS User Assistant. It has four tabs:
This utility brings together a number of configuration steps for “X”, the window system used by MEPIS Linux. You can start it from Start Menu > Settings > MEPIS X-Windows Assistant (command line: mxconfig). It has six tabs.
This tab is intended to be used from the LiveCD. It allows you to copy the automatically-generated X configuration from the LiveCD onto a hard drive installation of MEPIS Linux. This is useful if you've made a configuration error and the X graphical interface will no longer start (all you get is a command-line log-in prompt)
NOTE: This utility is only useful from a hard drive install when you have MEPIS Linux or a similar Debian-based Linux distribution on another partition, and you'd like to copy the xorg.conf file from that one to another.
This tab allows you to change the dpi (dots-per-inch) setting of on-screen text. Change this if your monitor's size or resolution causes text to be too large or too small and you want to uniformly increase or decrease the size of all text rendered in X windows.
NOTE: The font sizes of KDE applications can be adjusted under Start Menu > Settings > System Settings, click Appearance then Fonts.
This tab simply allows you to activate or deactivate different mouse types on your system. Most users shouldn't have a reason to deactivate any of these devices; MEPIS Linux will work fine even if nonexistent mouse devices are enabled.
NOTE: More fine-tuned control of the mouse's behavior is available under Start Menu > Settings > System Settings, click Keyboard and then Mouse.
This tool allows you to specify the brand and model of your Monitor, and if necessary, alter its frequencies. Changing the frequencies may be necessary if you are having trouble getting the full range of available video resolutions from your monitor.
If you don't find your monitor listed in the brand/model menus, you can type in the monitor's vertical and horizontal frequency ranges manually. Make sure you consult your monitor's documentation!
NOTES: 1) Be very careful with this tool! Setting your monitor to the wrong model or setting the wrong frequency ranges can cause you to lose video, or even potentially damage your monitor. If you are happy with the resolution you are getting, it's best to leave this tool alone. 2) See Section 5.5 for detailed display configuration and troubleshooting.
If you have an Nvidia graphics card, this tool assists you in installing the drivers. You have a choice of four drivers:
If you are using the proprietary drivers, you can set other options here such as dual monitor settings or shadow curser mode.
NOTE: If you are uncertain of which driver to use, consult the list of NVIDIA supported cards linked below.
This new utility allows you to view, install and remove Windows drivers, as well as to blacklist the kernel module ndiswrapper itself using self-explanatory buttons. You can start it from Start Menu > System > MEPIS NDisWrapper Manager (command line: mndiswrapper). For details, see Section 220.127.116.11 on NDisWrapper.
This is another new utility that aims to make the user's first encoutner with MEPIS Linux as friendly as possible. You can start it from Start Menu > System > MEPIS Welcome Center (command line: mwelcome). From this Center you can research a topic using MEPIS documentation, join the Community forum, contribute to MEPIS development, install a language pack, activate the Community repos, or add popular applications with a single click.
GRUB is the default boot loader used by MEPIS Linux. A boot loader is software that tells your computer where to find operating systems to boot. When you start your computer, GRUB will provide you with a menu of choices. It is a very powerful boot loader that can load a wide variety of free operating systems, as well as proprietary operating systems with an indirect boot technique known as chainloading.
The typical default GRUB screen in MEPIS Linux shows 3 kernel entries for MEPIS, any other detected OS, and a MEMTEST entry. It looks something like this (here for a dual_boot with Windows XP on a system with a single hard drive):
timeout 10 color cyan/blue white/blue foreground ffffff background 0639a1 gfxmenu /boot/grub/message title MEPIS at sda2, newest kernel root (hd0,1) kernel /boot/vmlinuz root=/dev/sda2 nomce quiet splash vga=791 boot title MEPIS at sda2, previous kernel (if any) root (hd0,1) kernel /boot/vmlinuz.old root=/dev/sda2 nomce quiet splash vga=791 boot title MEPIS at sda2, kernel 2.6.32-1-mepis-smp root (hd0,1) kernel /boot/vmlinuz-2.6.32-1-mepis-smp root=/dev/sda2 boot title Microsoft Windows XP Professional at sda1 rootnoverify (hd0,0) chainloader +1 title MEMTEST kernel /boot/memtest86+.bin
Three kernel entries are listed for technical reasons: details in the Wiki discussion of GRUB under Links and Guides below.
The final entry, Memtest is a thorough, stand-alone memory test for all Intel or AMD-based systems. It writes a series of test patterns to every memory address, then reads back the data written and compares it for errors. See Section 8.7.
After successfully installing a dual-boot system, many people want to adapt it to their environment. Warning: making mistakes in editing GRUB configuration may render your system unbootable. To recover from this situation see Section 5.3.2 for 'Repair System Boot'.
It is possible to change the length of time for which the boot menu is shown. This is useful if you would like the computer to start up faster (without the delay of showing the menu) or would like more time to choose which operating system to start.
timeout 10This line determines the time, in seconds, during which the boot menu will be shown. Change the number on this line to the number of seconds you would like. Use 0 if you would not like the menu to be shown at all so that the default entry will be booted automatically.
You can decide which operating system will be started automatically if you have not chosen one from the boot menu within a certain time.
Open the boot/grub/menu.lst file as root using the method indicated above, and add the following option just above the first “title” entry:
Change the variable n to “0” to boot from the first entry in the menu, “1” for the second, and so forth. Save the file and exit. The changes will take effect the next time the computer boots.
An alternative method is to cut the whole entry for the OS you want to boot by default and paste it in the first title position.
See the MEPIS Wiki links below for troubleshooting help.
Much of the adjustment of the typical display is carried out through the MEPIS X-Windows Assistant, see Section 5.3.4. It is also possible to use RandRTray by clicking Start Menu > System > KRandRTray (Screen Resize & Rotate). This section covers other configuration steps.
GTK+ is a multi-platform toolkit for creating graphical user interfaces. It is used in a variety of applications such as Synaptic. You can easily add a page for adjusting GTK Fonts to the System Settings:
The action initiated by closing the lid of a laptop is set by default to Suspend to Ram after 15 minutes. You can alter that behavior by clicking Start Menu > Settings > System Settings > Advanced > Power Management > Edit Profiles.
There is a small tool for changing the display on the fly that is handy when using a laptop. Located by clicking Start Menu > System > KRandRTray (Screen Resize & Rotate). It sits in the system tray, and allows you to conveniently alter screen size, orientation or refresh rate.
A computer network is simply defined as “A connection of two or more computers so that they can share resources.” Resources are in the form of hardware (i.e., printers), software, data, Internet connection, etc. Setting up a home network is a fairly straightforward task. But it is a good idea to arm yourself with a little knowledge to make things easier, as well as safer (from a security point of view). See Links and Guides below for background information.
We will be dealing with the various methods of internet access separately in subsequent sections, but all of them can be managed in MEPIS 8.5 in one convenient location by clicking Start Menu > Settings > System Settings > Network Settings.
The discussion of networking breaks up into five areas:
MEPIS Linux typically picks up wired internet access upon boot without much problem.
MEPIS Linux comes preconfigured for a standard LAN (Local Area Network) that uses DHCP (Dynamic Host Configuration Protocol) to assign IP addresses and DNS (Domain Name System) resolution. This will work in most cases as-is. You can change the configuration with the MEPIS Network Assistant (see Section 5.3). When you boot MEPIS Linux, your network adapters are assigned a short interface name by udev, the kernel's device manager. For normal wired adapters this is usually eth0 (with subsequent adapters eth1, eth2, eth3, etc). Wireless adapters often come up on the eth0 interface in MEPIS Linux, but the interface name depends on the adapter's chipset. For instance, atheros cards often show up as ath0, while ralink usb adapters will be rausb0. To find out what interfaces have been detected and named in your system, click Start Menu > System > KInfoCenter (Info Center) > Network Interfaces. For more details, open a terminal, become root, and enter:
It is highly recommended that you have a firewall (see Section 5.6.2) running if you are connecting directly to the Internet with your PC! If you are running a stand-alone/external firewall, most of which will run DHCP by default, simply connect to the router/hub/switch and your machine should autoconfigure via DHCP.
If you use ADSL or PPPoE, connecting to the internet is easy in MEPIS Linux 8.5. Click Start Menu > Settings > System Settings > Network Settings, then the DSL tab. Click the Add... button and fill in the required information, checking to connect automatically if you want.
NOTE: you may encounter problems when using a USB device to connect instead of going through a router. If that happens, plug the unit into the computer, open Konsole, and type:
dmesg | tail
Post a message on Mepis Community Forum with the output to get some help on finding the driver you need.
If you use a dialup connection with your computer, you will use KPPP. Click Start Menu > Internet > KPPP (Internet Dial-Up Tool) to define an account, test that the modem is working, and dial your ISP. A wizard makes the process painless, but for configuration details you can consult the KPPP Handbook in Links and Guides.
On the Device tab you will need to set up the serial information. Accepting the default /dev/modem may work, but you might need to try another interface. These are the Linux equivalents of the COM ports under MS-DOS and MS-Windows®:
NOTE: For some users, KPPP does not work correctly in MEPIS Linux 8.5. Consult the KPPP section of the MEPIS Wiki linked below for solutions that users have found. If you continue to have difficulties, you should install gnome-ppp and try connecting with that application instead.
Command line utilities are useful for seeing detailed information, and are also commonly used in troubleshooting. Most must be run as root.
ifup eth0 - command that brings up the ethernet port eth0 ifup wlan0 - command that brings up the wireless port wlan0
iwconfig - by itself, iwconfig will display your wireless status iwconfig eth0 essid any - this command connects eth0 to any AP in range iwconfig wlan0 essid foo - connects wlan0 to AP with essid "foo" iwconfig eth0 key off - clears out the WEP key iwconfig ath0 key 12345678901 - sets ath0's WEP key to 12345678901
iwlist wlan0 scanning - shows properties of wireless networks within range of wlan0. iwlist ath0 bitrate - shows the current speed of communications on ath0.
Ethernet cards in MEPIS Linux are configured in the file /etc/network/interfaces. The file is actually very simple in format and syntax, and not hard to edit in the event that other tools fail. See documentation by typing "man:interfaces" into the address bar of Dolphin.
Other troubleshooting help:
MEPIS Linux comes preconfigured to autodetect a WiFi card, and in many cases your card will be found and set up. If not, see below for the basic steps for enabling wireless.
There are three ways wireless can be supported in MEPIS:
Sometimes there is both a native Linux driver and a Windows driver available. You may want to compare them for speed and connectivity, and you may have to remove the one you are not using to prevent a conflict. For more information, see Links and Guides below.
Wireless cards can be either internal or external.
NOTE: The successful method varies for users because of the complicated interactions among the Linux kernel, wireless tools, and the local wireless card chipset and router.
For wireless internet access using a 3G modem, please refer to the Debian Wiki's 3G pages linked at the bottom of the page.
dmesg | grep netand look for any error message.
MEPIS Linux includes a large number of native wireless drivers among its kernel modules. The directions vary somewhat for each, and in some cases you will need to also obtain the firmware (small programs that internally control various electronic devices). Pease consult the MEPIS Wiki on native drivers, linked below.
Ndiswrapper is an open source software driver "wrapper" that enables the use of Microsoft Windows drivers for wireless network devices in Linux. It comes pre-installed in MEPIS Linux 8.5, along with a number of the most common Windows drivers. Note that you MUST use a Windows 32-bit driver if you have MEPIS 32-bit edition and you MUST use a Windows 64-bit driver if you have MEPIS 64-bit edition. In general, Windows-XP drivers work much better than Vista drivers, so try the Windows-XP driver first.
Here are the steps you should take to get wireless working with Ndiswrapper:
A firewall is a device or application used to filter data packets from incoming or outgoing network traffic, usually based upon the IP address or type of service (literally, the port number). Firewall configurations sometimes need to be adjusted if you add a new network service or change the port of an existing network service on your computer.
Although MEPIS Linux does not come with a software firewall preinstalled and configured, it is recommended you use one as a safety precaution. Firewalls are aimed at two groups of users: novice to intermediate users who are not experts in networking and security, and users who don't want the hassle of dealing with using scripts and parameters. See Links and Guides for more details.
Most firewall programs available for MEPIS Linux are merely frontends for Netfilter/iptables, the network filtering module in newer Linux kernels. So, the real differences among different firewalls are the way the interface works and what options are available. Here are several alternatives: (See Links and Guides for more details)
MEPIS Linux can handle a large variety of networking protocols to make files and directories available to other computers on your network. Many people accustomed to Windows may be confused by the variety of file sharing protocols and not understand why there are so many when Windows simply allows you to "share" files without much rigamarole. Being open, though, Linux allows you to choose the protocol that best suits your needs.
This is the protocol used by Windows machines (which they call SMB: “Server Message Block”). Samba is the most complete solution to share files with Windows machines on your network without making changes to the Windows machines. Samba sets up network "shares" (directories available for other users) for chosen Linux directories and all contained subdirectories. These appear to Microsoft Windows users as normal Windows folders accessible via the network.
It also offers some other services for interfacing with Windows networks, such as domain authentication, messaging services, and netbios name resolution. Finally, it provides an easy method of connecting Linux machines to each other and even to Mac machines.
Password protection is enabled by clicking Start Menu > Settings > System Settings > Sharing, and entering a default user name and password. To configure shares for Windows, right-click the desktop >Run Command, and enter:
Enter root's password, then click on the Advanced tab > Samba.
Setup in MEPIS Linux 8.5 is very easy. Use Dolphin to navigate to the folder/directory you want to share. Right-click and select Properties. Click on the Share tab, then on the button Configure File Sharing. Provide root's password, and then define the users and folders available to Samba.
VPN (Virtual Private Network) and remote desktop connections are carried out in MEPIS Linux by utilities available from the standard repositories.
Installing the Kvpnc (see Section 7.2) allows you to easily manage VPN connections in a graphic environment. Follow these steps to connect with Kvpnc:
The command-line VPN client Vpnc is available from the repos and is compatible with Cisco EasyVPN. Open a terminal, become root, and simply enter:
For details, consult the man pages by entering man:vpnc in Dolphin's address bar.
Remote desktop connections can be managed with the package Start Menu > Internet > KRDC (Remote Desktop Client), installed by default. Follow these steps to connect:
All successful connections will be stored in the "History" in the left-hand panel.
See also Section 8.2: Multimedia
Linux has many different ways of interacting with audio hardware. The main two are the Advanced Linux Sound Architecture (ALSA) and the Open Sound System (OSS). KDE builds on these low-level systems with its own Phonon API which all KDE multimedia programs use for playing sound. Fortunately, MEPIS chooses the most appropriate audio settings automatically and you do not need to worry about the details.
People wishing to play back video and audio files in proprietary formats will need to install this packages:
This is available through Synaptic after checking the box next to this repository (see Section 7.2):
deb http://www.debian-multimedia.org lenny main
NOTE: The use of this package is of questionable legality in some countries, so please check your local restrictions before installing it.
KMix is the recommended way to adjust the details of your sound.
You can also check that your audio hardware is working correctly in Start Menu > Settings > System Settings > Multimedia. Click on the "Music" category in the left-hand panel and select a device in the right-hand panel (there may be more than one). Click "Test" to verify that each device is working correctly. You can determine the primary soundcard by adjusting its priority with the "Defer" button.
NOTE: you cannot play an audio CD by clicking on the CD-ROM icon on the desktop. You must use an installed player (see Section 8.2: Multimedia).
You can control KDE system-wide sound settings by following these steps:
You can set up your sound driver by installing the package alsaconf from the Community repos. Then open a terminal, become root, and type:
This will start an automatic process to discover your sound card and install the correct driver.
In order to troubleshoot any problems you will need to know what sound card you have. Open a terminal by clicking Start Menu > System > Konsole (Terminal), and enter this line:
lspci | grep -i audio
This command asks that all devices be listed that contain the word “audio” in their description, and the output will tell you your card manufacturer and model. Here is an example of output:
0000:00:1f.5 Multimedia audio controller: Intel Corp 82801EB/ER (ICH5)
With this information, you can use the MEPIS Wiki sound driver database listed below to track down more information and help, or turn to other resources linked below. In rare cases, you may have to load a module for your card following the directions linked below.
NOTE: Many of the drivers do not include the snd- prefix; you will need to add that to get the actual module name.
Bluetooth is enabled in MEPIS Linux by default through the kernel, but no desktop tools are included for the user. Bluetooth tools are easily available through Synaptic (see 7.2: Synaptic Software Package Manager) by installing the package:
(NOTE: Kdebluetooth file transfer is broken in MEPIS Linux 8.5. If this is important to you, consider installing the package from Debian Testing (Squeeze), which will provide some functionality.)
Once this package is installed, you will find a whole host of tools, including:
These tools can be found most easily by right-clicking the Bluetooth icon on the right side of the panel, though you can also hunt around Start Menu for them.
Input devices such as a keyboard or a mouse will be picked up automatically as soon as you plug the receiver into the computer, and you should be able just start using the device.
MEPIS Linux can be altered to match your native country and language. Not all languages are currently available, but more are being developed.
Here are the configuration steps you can take to localize your MEPIS Linux 8.5:
Although MEPIS Linux offers a complete set of graphical tools for installing, configuring, and using your system, the command line (also called the console, terminal, BASH, or shell) is still a useful and at times indispensible tool. Here are some common uses:
The default program to run a terminal in a MEPIS Linux 8.5 KDE desktop window is Konsole, which can be found at Start Menu > System > Konsole (Terminal).
Though console commands can be fairly complex, understanding the command line is just a matter of putting together simple things. To see how easy it can be, open Konsole and try a few basic commands. This will all make more sense if you do it as a tutorial exercise rather than just reading it. Let's start with a simple command: ls, which lists the contents of a directory. The basic command lists the contents of whatever directory you are currently in:
That's a useful command, but it's just a few short columns of names printed across the screen. Suppose we want more information on the files in this directory. We can add a switch to the command to make it print out more information. A switch is a modifier we append to a command to change its behavior. In this case, the switch we want is:
As you can see on your own screen if you are following along, this switch provides more detailed information on the files in any directory. Of course, we might want to see the contents of another directory (without going there first). To do this, we add an argument to the command, specifying which file we want to look at. An argument is a value or reference we add to a command to target its operation. In this case:
ls -l /usr/bin/
By giving an argument of /usr/bin, we can list the contents of that directory, rather than the one where we currently are.
There are a lot of files in /usr/bin! It would be nice if we could filter this output so that only entries that contained, say, the word "fire" would be listed. We can do this by piping the output of the ls command into another command, grep. The pipe, or “|” character, is used to send the output of one command to the input of another.
The command grep searches for the pattern you give it and returns all matches, so piping the output of the previous command to it filters the output.
ls -l /usr/bin/ | grep fire
Thanks to grep, we only see the lines of the output that contain the word "fire". Finally, suppose we want these results saved in a text file for use at a later time?
When we issue commands, the output is usually directed to the console display; but we can redirect this output somewhere else, such as to a file, using the > (redirect) symbol:
ls -l /usr/bin/ | grep fire > FilesOfFire.txt
This command now instructs your computer to make a detailed list of all the files that contain the word "fire" and to create a text file containing that list. As you can see, the console can be used to perform complex tasks very easily by joining simple commands together in different ways.
Here is a list of rudimentary terminal commands. For a complete reference, see the Links and Guides section.
|cd /usr/share||Changes current directory to the given path: “/usr/share”. With no argument, cd takes you to your home directory.|
|pwd||Prints the current working directory path|
|ls||Lists the contents of the current directory. Use the -a switch to show hidden files as well, and the -l switch to show details on all files. Often combined with other terms: lsusb lists all the usb devices,
lsmod all the modules, etc.
|cp source.file destination.file||Copy a file to another filename or location. Use the -R switch ("recursive") to copy entire directories.|
|mv source.file destination.file||Move a file or directory from one location to another. Also used to rename files or directories and to make a backup, for example before changing a critical file such as xorg.conf.|
|rm deleteme.file||Delete a file. Use the -R switch to delete a directory, and the -f switch ("force") if you don't want to be prompted to confirm each deletion.|
|cat file.txt||Prints the contents of a file on the screen. Only use on text files.|
|grep||Find a given string of characters in a given piece of text, and print the entire line it was on. Usually used with a pipe, e.g. cat somefile.txt | grep somestring will display the line from somefile.txt that contains ”somestring”. To find a network usb card, for instance, you could type: lsusb | grep network. The grep command is case sensitive by default, use the -i switch to make it case-insensitive.|
|most||More sophisticated file viewer, which features one screenful at a time, up and down scrolling, text searching, line numbers, and other things. Often used in a pipe, for instance cat somefile.txt | most. NOTE: this replaces less as the default pager in MEPIS Linux 8.5.|
||||The pipe symbol, used to send the output of one command into the input of another.|
|>||The redirect symbol, used to send the output of a command into a file or device. Doubling the redirect symbol will cause the output to be added to the end of an existing file rather than replacing it.|
|&||Adding the ampersand to the end of a command (with a space before it) causes it to run in the background, so that you don't have to wait for it to complete to issue the next command.|
For most new Linux users, the command line is mainly used as a troubleshooting tool. Terminal commands give quick, detailed information that can be easily pasted into a forum post, search box, or email when seeking help on the web. Here are some common troubleshooting commands. Some of them may not output information, or not as much information unless you are logged in as root.
|lspci||Shows a quick summary of detected internal hardware devices. If a devices shows as unknown, you usually have a driver issue. The -v switch causes more detailed information to be displayed.|
|lsusb||Lists attached usb devices.|
|dmesg||Shows the system log for the current session (i.e. since you last booted). The output is quite long, and usually this is piped through grep, less (similar to most) or tail (to see what happened most recently). For example, to find potential errors related to your network hardware, try dmesg | grep -i net.|
|ifconfig||Shows the status of currently active network interfaces. See Section 5.6.1.|
|iwconfig||Shows the status of your wireless network interface. See Section 18.104.22.168.|
|top||Provides a real-time list of running processes and various statistics about them.|
Synaptic is the recommended method for beginners to manipulate software packages, although other methods are also available and may be required for certain situations.
Installing, removing, and upgrading software on MEPIS is accomplished through the Advanced Package Tool (APT) system. Software is provided in the form of a package, a discrete, non-executable bundle of data that includes instructions for your package manager about installation. They are stored on servers called repositories, and can be browsed, downloaded, and installed through special client software called a package manager. The recommended package manager for MEPIS is Synaptic (see Section 7.2), though the graphical utility Gdebi and the command-line utility apt-get are also included for those who prefer them (see Section 7.3).
The majority of packages have one or more dependencies, meaning that they have one or more packages that must also be installed in order for them to work. The APT system is designed to automatically handle dependencies for you; in other words, when you try to install a package whose dependencies aren't already installed, your APT package manager will automatically mark those dependencies for installation as well.
APT repositories (repos) are much more than just web sites with downloadable software. The packages on repository sites are specially organized and indexed to be accessed through a package manager, rather than browsed directly. MEPIS Linux 8.5 comes with a set of enabled repositories that offer you both security and choice. If you are new to MEPIS (and especially if you are new to Linux), it is recommended that in general you stick with the default repositories at first, with the exception of the multimedia repository that you will need to enable for proprietary-format codecs (see Section 8.2).
For security reasons, these repositories are digitally signed, meaning that packages are authenticated with an encryption key to make sure they are authentic. If you install packages from non-Debian repos without the key, you will get a warning that they could not be authenticated. To get rid of this warning and make sure your installations are secure, you need to install any keys not installed by default; see if the repo contains a keyring package, or check its home page for instructions on adding the key. Most repositories should have a keyring package which installs the necessary keys (search keyring in Synaptic). Here are the most common:
The MEPIS Community has its own repository of packages that it builds and maintains. These packages are distinct from official MEPIS packages, and typically have been backported from Debian versions that are still in testing or even experimental. To find out more about what is available, who the packagers are, and even how to get involved, follow the MEPIS Community Package Project link below.
Repositories are most easily added, removed, or edited through Synaptic, though they can also be altered by hand by editing the file /etc/atp/sources.list in a root terminal. In Synaptic, click Settings >Repositories, then click the button New and add the information. Here, for instance, is how the settings look for the MEPIS Community repo:
Some repositories carry special labels:
Synaptic is a friendly, easy-to-use frontend (GUI) to the APT package management system. It is a graphical tool which allows you to install, remove, upgrade, or get information on all the software packages available in the online repositories on your repository list (/etc/apt/sources.list). Synaptic can be launched from Start Menu > System > Synaptic Package Manager, or you can simply click on the Synaptic icon in the panel. Note that your root password is required in order to install or remove software; and naturally, if you want to use the online repositories (as opposed to the CD or DVD), you will need to be connected to the Internet.
Here are the basic steps for installing software in Synaptic:
Synaptic enables you to quickly and conveniently keep your system up-to-date.
Sometimes you may want to downgrade an application to an older version, for instance because of problems that arose with the new one. This is easy to do in Synaptic:
Sometimes you may want to pin an application to a specific version to keep it from being upgraded in order to avoid problems with more recent ones. This is easy to do:
NOTE: this pinning only affects the application Synaptic, not the actual list of application versions used by Apt, and will not work if you later use another upgrade means. For a universal pinning method, follow the example linked below.
Removing software from your system with Synaptic seems as straightforward as installing, but there is more to it than meets the eye:
The software packages installed through Synaptic (and APT behind it) are in a format called deb (short for “Debian”, the Linux distribution that devised APT). You can manually install deb packages using the graphical tool Gdebi-kde or the command-line tool gdebi. This is a simple tool to install local deb packages.
NOTE: gdebi is a LOCAL installer/de-installer package. It does not work over the internet like synaptic or apt-get. gdebi can only install a .deb that has already been downloaded to the system.
gdebi -i packagename.debIf you are installing multiple packages at the same time, you can do it all at once using:
dpkg -i *.debNOTE: In a shell command, the asterisk is a wild card in the argument. In this case it will cause the program to apply the command to any file whose name ends with “.deb”.
apt-get -f installApt-get will attempt to rectify the situation by either installing the needed dependencies (if they are available from the repositories), or removing your .deb files (if the dependencies cannot be installed).
Sooner or later some software that you want to install will not be available in the repositories and you may need to use other installation methods. These methods include:
alien -i packagename.rpmThat will place a deb file with the same name in the location of the rpm file that you can then install as described above. For more detailed information on alien, see the internet version of its man page in the Links and Guides section at the bottom of this page.
This section gives the user a basic orientation to the applications used in MEPIS Linux for common tasks. It is not intended to be an exhaustive list, but to focus on those that are installed with MEPIS, to provide common alternatives, and to point to resources for configuration and use. In topic areas where installed applications are minimal or absent, a representative sample of available applications has been presented.
The section is divided into the following topics:
Click on the link that interests you to see how MEPIS is used in that topic area.
Two web browsers, Konqueror and Mozilla's Firefox, are installed with MEPIS Linux 8.5 and available by clicking Start Menu > Internet. The Debian packagers also provide a rebranded variant of Firefox named IceWeasel, which is updated frequently. If coming from Windows, be sure to consult Section 3.2: Coming from Windows about migrating data.
Other common choices: http://www.mepis.org/docs/en/index.php?title=Linux_software#Browser
An email client Kmail is installed with MEPIS Linux 8.5 and available by clicking Start Menu > Internet. Its icon can be found on the left side of the panel. Thunderbird (or Debian's rebranded Icedove) is another popular choice installable through the repos. If coming from Windows, be sure to consult Section 3.2: Coming from Windows about migrating data.
Other common choices: http://www.mepis.org/docs/en/index.php?title=Linux_software#Email
MEPIS Linux 8.5 comes installed with Kopete, a multi-protocol client. Start it from Start Menu > Internet > Kopete.
In addition, you can install Skype from the repos or use a web-based client such as Meebo in Firefox.
Other common choices: at http://www.mepis.org/docs
Skype is available through Synaptic for MEPIS Linux, though the Linux version may lag behind the Windows version in terms of features and version numbering. Once installed, to start, click Start Menu > Internet > Skype. The latest version of Skype for Linux includes good video support, though suitable webcam drivers are required before this feature will work.
Other common choices: http://www.mepis.org/docs/en/index.php?title=Linux_software#Voice_Chat
No video chat program is installed by default in MEPIS Linux 8.5, although Kopete can transmit webcam images under certain protocols. Ekiga and aMSN are available for download from the standard repositories; Ekiga in particular seems to have very good hardware recognition, including audio. See also Skype above.
Other common choices: http://www.mepis.org/docs/en/index.php?title=Linux_software#Video_Chat
IRC (Internet Relay Chat) can be conducted in MEPIS Linux 8.5 by setting up an IRC account in Kopete.
Other common choices: http://www.mepis.org/docs/en/index.php?title=Linux_software#IRC
The MEPIS Linux 8.5 user has a couple of choices for participating in Usenet (USEr NETwork), the distributed internet discussion system. Thunderbird can be set up as a reader by clicking File > New... > Account, selecting Newsgroup account and filling in the server name. There is also the dedicated Pan Newsreader with a large feature set that can be installed through Synaptic.
MEPIS Linux 8.5 offers three easy ways to subscribe to RSS (Really Simple Syndication) feeds. In Firefox or IceWeasel, you can simply go to the page with the RSS and click Bookmarks > Subscribe to This Page and the application you have selected under Preferences will open. There is also a large range of add-ons that can be installed by clicking Tools > Add-ons. Thunderbird or IceDove can be set up for RSS feeds by clicking File > New > Account, selecting RSS News & Blogs and naming the account. Then right-click the new folder and select Manage Subscriptions. Finally, there is a dedicated desktop application called Akregator, part of the KDE office suite, which can be installed from the repos.
BitTorrent, the peer-to-peer file sharing protocol, can be managed by the KDE application KTorrent which is installable through Synaptic for use with MEPIS Linux 8.5. Once you have downloaded a .torrent file from a tracker site, you simply need to double click it and KTorrent will ask you where to save the package and initiate the download.
Other common choices: http://www.mepis.org/docs/en/index.php?title=Linux_software#File_Sharing
You have a number of choices for FTP transfer in MEPIS Linux 8.5. You can use one of the browsers installed by default; for Firefox, there is also a useful FTP extension called FireFTP that provides increased functionality. Alternatively, you can install a dedicated FTP client from the repos. See also Bluetooth, below.
Other common choices: http://www.mepis.org/docs/en/index.php?title=Linux_software#FTP
See also Section 5.8: Bluetooth
Bluetooth provides a means to connect and exchange information between personal devices such as mobile phones, laptops, digital cameras, etc., over a secure short-range radio frequency. Installing kdebluetooth through the repos provides many basic tools (see Section 5.8) that are available by right-clicking the Bluetooth icon on the right side of the panel and are mostly self-explanatory.
NOTE: object transfer is broken in MEPIS 8.5, but the following directions will help you once it is active again.
Various applications can use Bluetooth to pass objects (files, pictures, vCal entries, vCards, etc.) between devices, though some work better than others and success depends a lot on the particular device. All rely on the Object Exchange protocol (OBEX), a kind of binary HTTP optimized for ad-hoc wireless links that is built in on many devices like PDAs and mobile phones.
OBEX Client (kbtobexclient) is installed with kdebluetooth, and easily used from the host computer or the device:
For other options, see the MEPIS Wiki links listed below.
A simple music players is provided with MEPIS Linux 8.5 that can be found under Start Menu > Multimedia
Other common choices: http://www.mepis.org/docs/en/index.php?title=Linux_software#Music_Player
There are various ways to rip music, of which the easiest is to use K3B directly. Open up K3B. On the left hand side there will be a list of the drives available. Simply click on the Audio CD and wait until the files are listed. Highlight the ones you want to rip, right-click, and select Start Ripping. Choose the Destination Base Directory, and click Start Ripping.
K3b handbook: at http://docs.kde.org
Wikipedia: KIO: http://en.wikipedia.org/wiki/KIO
Other common choices: http://www.mepis.org/docs/en/index.php?title=Linux_software#Music_Ripper
aRts home page: http://www.arts-project.org/>http://www.arts-project.org/
aRts handbook: http://www.arts-project.org/doc/handbook/index.html
Other common choices:
MEPIS Linux 8.5 comes with 2 video players: Kmplayer and Mplayer can be found under Start Menu > Multimedia.
Other common choices:
MEPIS Linux 8.5 doesn't come with any video ripping software by default, but there are plenty of choices available for download. Acidrip and DVD::Rip are all you need to rip non-copyrighted DVDs to your hard disk. None of these programs will operate on DVDs that have encryption. You will need a package called libdvdcss2 to work with encrypted media, see Section 5.7: Sound configuration: Restricted formats.
Other common choices:
Video editing can be very harddisk intensive and is best done with a reasonably powerful machine with lots of storage space.
Kdenlive is installed by default and found by clicking Start Menu > Multimedia > Kdenlive (Video Editor). It is an intuitive and powerful multi-track video editor, including most recent video technologies.
Kdenlive home page: http://www.kdenlive.org/
Kino is available for MEPIS Linux 8.5 from the repos. It features excellent integration with IEEE-1394 for capture, VTR control, and
recording back to the camera.
Kino home page: http://www.kinodv.org/
Other common choices:
NOTE: To achieve a higher level of operability with video editing, install the following additional packages:
dvdrtools, dvd+rw-tools, dvd-slideshow, submix-dvd
Dolphin has a built in previewer for images with adjustable thumbnail sizes. Select both the Icon and Preview buttons in the toolbar. Fine tune with the zoom buttons at the bottom of the window and settings in Dolphin >Settings >Configure Dolphin >General >Previews.
MEPIS Wiki: Dolphin: http://www.mepis.org/docs/en/index.php?title=Dolphin
A good image application is available in MEPIS Linux 8.5 with Gwenview, Start Menu > Graphics. It can be used as an image browser, for slide shows, to edit metadata, and for basic image manipulation.
Gwenview home page: http://gwenview.sourceforge.net/
Digikam can installed from the repos. It is a photo management tool similar to Google's Picasa that comes with a stand-alone photo viewer. To get the most out of Digikam and its plugins, install the following packages:
mpg123 vorbis-tools graphicsmagick mjpegtools
Digikam home page: http://www.digikam.org/
Other common choices:
Using Synaptic Package Manager in MEPIS Linux 8.5 users can install a very powerful image editor called GIMP (GNU Image Manipulation Program)--check whether the Community repo has a more recent version. It is similar in function to Adobe Photoshop.
Other common choices:
Watching television on a PC requires a good recent hardware configuration with sufficient processor speed and memory, software to process the signal for display and an adapter card that works with Linux. A number of programs are available and are listed below; which one works for a given tuner card is VERY DEPENDENT on which native driver(s) your card uses.
Here is a partial list of available software, from basic to advanced, that you can install:
For details and other options, follow the MEPIS Wiki link below.
MEPIS Linux comes with access to a great free office suite called OpenOffice.org. This suite is the Linux equivalent and near drop-in replacement for Microsoft Office®. The most frequently used component, OpenOffice.org Writer is available under the OpenOffice.org Task Manager Start Menu > Office > OpenOffice.org. The remaining components below marked optional will be available after installation through Synaptic.
Openoffice.org versions 3 and above offer limited support for the .docx, .xlsx and .pptx file formats of Microsoft Office 2007.
MEPIS Wiki: OpenOffice:
OpenOffice.org home page: http://www.openoffice.org/
Other common choices:
NOTE: The utility KCharSelect allows you to find unusual characters (foreign letters, symbols, etc.) and paste them to the clipboard for use in a word processor or other program. It is found by clicking Start Menu > Utilities > KCharSelect (Character selector).
OpenOffice.org can produce simple documents for publication, but for people who want more power and flexibility, more capable programs are available. Scribus is designed for flexible layout and typesetting, and for professional quality equipment, and a detailed published manual is available. Available through Synaptic.
Scribus home page: http://www.scribus.net/
In addition to internet options, the MEPIS Linux user has means of working with a FAX from the desktop.
Internet FAX price comparison: http://www.faxprices.com/
You can view your PDF files by clicking them to open them in the default Okular, available separately by clicking Start Menu > Office > Okular (Document Viewer). For other PDF operations such as copying text or images, merging, etc., follow the link to the MEPIS Wiki.
Other common choices: http://www.mepis.org/docs/en/index.php?title=Linux_software#PDF
MEPIS Linux 8.5 has an excellent Personal Information Manager available from the repos called Kontact. It links your contacts with your email, calendar, newsreader, journal and notes all in a single window.
The excellent organizer KOrganizer is the calendar and scheduling component of Kontact. It is available from the repos. The application fully integrates its components, facilitating many everyday operations with its features.
Powerful business programs are available for use in MEPIS Linux, though none is installed by default. If not available in Synaptic, they would have to be installed through other methods of software installation (see Section 7.3: Installing programs by other methods).
Other common choices:
See also 8.3: Office productivity
Open-source programs for managing personal finances are available that can import standard formats such as QIF.
Other common choices:
DigiKam is an excellent management tool for photos, allowing tagging, comments, and a variety of ways of organizing your collection.
Other common choices:
Amarok is a powerful music management tool available for MEPIS Linux 8.5 from the repos. A detailed handbook is available off the Help menu.
Other common choices:
A good desktop sticky note application is available by default by clicking Start Menu > Utilities > KNotes (Popup Notes). Another useful utility is QuickList, available from the repos.
GRAMPS (Genealogical Research and Analysis Management Programming System) is a free Software Project available from the repos. It includes a professional genealogy program and a Wiki. It can use data files exported from other programs exported in the GEDCOM format.
Guarddog and Firestarter can protect your system from external hackers while not being intrusive during normal use. Their interfaces are clear and offer many options, but most users will almost never have to open the applications or make changes.
The most common need to open your firewall application comes when the user is required to permit a protocol through the firewall, for instance when installing a network printer. Check the handbook for details on when and how to do this.
Other common choices: http://www.mepis.org/docs/en/index.php?title=Linux_software#Firewall
MEPIS Linux 8.5 does not currently require antivirus software because no viruses able to attack and damage a Linux system are in circulation. The purpose of installing an antivirus would be to assist with stopping Linux users from unknowingly passing virus-infected emails and other documents to Windows users, as well as to provide an open-source tool for protection in a dual-boot setup with Windows.
KlamAV is available for MEPIS Linux 8.5 from the repos. The program is inactive until it is opened by a user with root privileges.
Rootkits are intended to hide software action from the operating system, and can be used malevolently. Here are two of the most common anti-rootkit applications, available through Synaptic:
rkhunter --update rkhunter -cSelect options from the screen output, and run your check.
Other common choices: http://www.mepis.org/docs/en/index.php?title=Linux_software#AntiRootKit
Passwords are protected in MEPIS Linux 8.5 by the use of KDE Wallet, which is enabled by default. To change KDE Wallet's behavior, click Start Menu > Settings > System Settings > Advanced tab > KDE Wallet.
NOTE: it is important to set a strong password in the first place. A strong password:
File or folder encryption is made possible by KGpg, available by clicking Start Menu > Utilities > KGpg (Encryption Tool). This utility is also integrated with Dolphin, so that a file or folder may be encrypted by right-clicking it and selecting the desired feature under Actions.
User privacy is enabled system-wide by default in MEPIS Linux 8.5, so that items such as recent documents, web browsing history, etc., are cleared during shutdown. Some applications (e.g., Firefox/IceWeasel) have their own privacy controls as well.
Web content filtering in Linux can be executed using a program such as Dansguardian, available through Synaptic.
Open-source vulnerability scanners and intrusion-detectors for servers are available for use with MEPIS Linux.
NOTE: many more utilities are available for MEPIS 8.5 than the few installed by default: open Synaptic, click Sections at the bottom of the left panel, and scroll down the list to select the category Utilities.
Various open-source utilities exist for MEPIS Linux 8.5 users with disabilities. Here are two of the most commonly used, available from the repos.
Other accessibility applications are available through Debian and KDE projects:
The following packages for use on the desktop can be found under Start Menu > Utilities.
Other KDE Desktop applications: http://www.kde-apps.org/
MEPIS Linux 8.5 comes with a powerful graphical program to manage files and folders called Dolphin, the default file manager and file viewer for KDE4. There is also a command-line program available from the repos called Midnight Commander that uses the entire terminal screen. Each has its advantages, depending on your preferences and the task you need to accomplish.
A couple of smaller packages for working with files are also installed with MEPIS Linux 8.5.
Other common choices: at http://www.mepis.org/docs
If you have a HP printer, there is a utility package available for MEPIS Linux 8.5 called HPLIP Toolbox that can be installed from the repos. HPLIP Toolbox is an HP-developed solution for printing, scanning, and faxing with HP
inkjet and laser-based printers in Linux.
Hplip home page: http://hplip.sourceforge.net/
See also Section 5: Configuration
A number of powerful means of finding files or folders, both graphical and command-line, are available for MEPIS Linux 8.5.
locate firefoxwill return an extremely long list with every single file that has the word “firefox” in its name or in its path. This command is best used when the exact file name is known.
whereis firefoxwill return a much shorter list something like this:
firefox: /usr/bin/firefox /etc/firefox /usr/lib/firefox \ /usr/X11R6/bin/firefox /usr/bin/X11/firefox \ /usr/share/firefox /usr/share/man/man1/firefox.1.gzManual page for whereis: http://www.linuxcommand.org/man_pages/whereis1.html
which firefoxwill return just one file:
/usr/bin/firefoxManual page for which: http://www.linuxcommand.org/man_pages/which1.html
For configuration you will probably need to discover exactly what hardware is connected to your system. Use one of the following methods.
One good place to get information about your hardware is Kinfocenter. Click Start Menu > System > KInfo Center (Info Center), and you will see the list of hardware in the left panel, and details in the right.
You can get more detailed information using a command-line program that comes pre-installed with MEPIS.
hwinfo > /home/username/Documents/hwlist
How To Get System Info in Linux: at http://www.computerbob.com
KDE has its own screensaver program known as KScreensaver, but it is not operational in MEPIS 8.5 at this time. You should use instead the creative screensavers of Xscreensaver.
Other common choices: http://www.mepis.org/docs/en/index.php?title=Linux_software#Screen_Saver
When a program refuses to end, you can kill it in a number of ways. Here are two of the most common:
MEPIS Wiki: Killing a runaway program: http://www.mepis.org/docs/en/index.php?title=Killing_a_runaway_program
A symbolic link (also soft link or symlink) is a special kind of file that points to another file, much like a shortcut in Windows or an alias in Macintosh. A symbolic link does not contain any actual data (as a hard link does), it just points to another file somewhere in the system.
There are two ways to create a symlink: Dolphin or the command line.
ln -s TargetFile LinkNameBe sure to include full path as well as file/folder names. The -s switch indicates that a symbolic link and not a hard link (that points directly to data) is being created.
Wikipedia: Symbolic link: http://en.wikipedia.org/wiki/Symlink
The Seven Unix/Linux File Types: http://sblinux.org/pages/permissions01.html#filetypes
A variety of tools to help you monitor your system are available in MEPIS Linux 8.5. can be found at various locations under the Start Menu > System menu tree. For details on these tools, check the MEPIS Wiki.
Other common choices: at http://www.mepis.org/docs
This section covers the good basic practices that MEPIS Linux 8.5 users should follow to keep their system efficient and secure.
The most important practice is to back up your data and configuration files regularly, a process that is easy in MEPIS Linux. It is highly recommended that you back up to a different drive than the one your data is on! You can buy a new storage device, or use an old hard drive if you can find one.
Make sure you back up your data, including documents, graphics, music, and mail. By default, most of this is stored in your Home directory (/home/YourUserName/).
Here is a list of items for backup:
It's also a good idea to save in your /home/username directory a file that contains the list of programs that you have installed with Synaptic, apt-get or Gdebi (see Section 7: Software Management ). If in the future you need to reinstall, you'll just have to paste the names of the files to an apt-get install command. You can create an inventory of all packages on your system installed since installation with:
dpkg --get-selections >list_packages.txt
To reinstall ALL those packages at once:
dpkg --set-selections <list_packages.txt apt-get update apt-get dselect-upgrade
Keep and LuckyBackup are graphical front ends for Rdiff-Backup that functions as a backup system for KDE. Both are available from the repos (enable the Community repo for LuckyBackup).
To back up using Keep, follow these steps:
Other common choices: http://www.mepis.org/docs/en/index.php?title=Linux_software#Backup
As a precaution in case of complete harddisk failure, some users create a complete image of their harddrive, a technique called disk cloning or ghosting. In case a new harddrive must be installed, the user can simply restore the entire image to be back in operation in a few minutes. Open-source (e.g., Partimage, G4L) and proprietary (e.g., Acronis) ghosting software are available to carry out this procedure. Depending on the software used, you may have to carry this out from a separate drive or a LiveCD.
Cloning can also be used to make an identical working copy of your hard disk or partition to a second disk or partition with an equal or larger size than the original by using the command line tool dd. Unlike the cloning tools listed above, dd copies the hard disk or partition on a sector by sector basis, so everything is copied, including unused sectors. That being the case, it can take some time for larger drives.
Other common choices: http://www.mepis.org/docs/en/index.php?title=Linux_software#Backup
It's a good idea to remove services that start at boot time and you don't need both to improve security and to limit resources utilization. To stop a program, for example called UnneededProgram from starting, execute this command as root:
update-rc.d -f UnneededProgram remove
Here is a list of services that you might not need (check!):
There is also the KDE Service Configuration application for configuring other services, found by clicking Start Menu > Settings > System Settings > Advanced tab > Service Manager. The Service Manager module displays a static list of services that are started on demand and cannot be modified, and a second list of services that can be loaded when KDE starts or manually started when needed. You can also install KSysV from the repos for more advanced control of the startup scripts.
MEPIS Wiki: Service configuration:
An introduction to services, runlevels, and rc.d scripts: http://www.linux.com/articles/114107
It is rare that you will need to do much disk maintenance compared to Windows, since Linux operating systems and the disk filesystems they utilize are designed differently. Still, there may come a moment when you want to check for partition/disk errors, something done in Windows with scandisk. To check for filesystem and disk read/write errors, go through the following steps:
NOTE: The act of defragmenting or “defragging” a drive, so well known in Windows®, is ordinarily unneeded in MEPIS Linux 8.5 as long as you have a standard Linux filesystem such as ext3, ext4 or ReiserFS.
These are some time-tested rules of thumb for new users of MEPIS Linux to avoid getting into trouble when upgrading their software:
MEPIS Wiki: upgrade vs. dist-upgrade:
MEPIS Wiki: Sources.list: http://www.mepis.org/docs/en/index.php?title=Sources.list_MEPIS_8.0
Because of space limitation, MEPIS Linux 8.5 comes with only a few simple games, but many more are available. Browsing the extensive list of games available through Synaptic (click Sections >Games at the bottom of the left panel) or following the links below will bring up many other titles for your enjoyment.
There are no Adventure Games installed by default. Here are a couple of popular ones you can install via Synaptic to get you started.
There are many arcade games that can be downloaded via Synaptic.
The classic Minesweeper is available by clicking Start Menu > Games > Tactics & Strategy > KMines (Minesweeper-like Game). There are other excellent board games available from the repos for you to try.
Here are some others to whet your appetite:
You have an installed set of 17 solitaire card games available by clicking Start Menu > Games > Card Games > KPatience (Patience Card Game).
Kpatience handbook: http://docs.kde.org/development/en/kdegames/kpat/index.html
Here are some other fun card games available from the repos for MEPIS 8.5.
Many Strategy games can be downloaded via Synaptic. A couple of the most popular:
A number of Windows games can be played in MEPIS Linux 8.5 by using a Windows emulator such as Cedega or DOSBox, or some may even run under Wine: see Section 9.3: Windows® programs under MEPIS for details.
While there is no kids stuff provided with the default MEPIS Linux 8.5 installation besides a few games, there is a great deal available through Synaptic or from online resources. You can also search the repos for junior- to find packages associated with the DebianJr project (see Links and Guides). The following suggestions will give you a sense of what is available.
The User's Manual for antiX Linux 8.5 can be found in the installed OS at /usr/share/antiX/antiX-FAQ.html. It is also posted online at http://sblinux.org/antix/index.html.
In this section you will find introductions to some of the more common advanced uses of MEPIS Linux 8.5. Click on any section that interests you for details.
For other advanced uses, please consult the MEPIS Wiki: http://www.mepis.org/docs/en/index.php?title=Main_Page
There are many ways to use MEPIS Linux 8.5 on a server. Click on any of the following items for details:
If you are a programmer or interested in programming, MEPIS Linux 8.5 is an excellent environment for you to work in. Although only rudimentary development software is provided in the default install, a wealth of tools is readily available from the repositories; many of these are the same tools used to create MEPIS Linux 8.5! To see what is available, open Synaptic, click on the Sections button in the lower left panel, then on Development.
Other common choices:
Wikipedia: Comparison of text editors: http://en.wikipedia.org/wiki/Comparison_of_text_editors
The GNU C compiler, gcc, is included in MEPIS Linux 8.5 by default. The GNU C++ compiler is available from the repositories in the g++ package; a number of other C and C++ compilers are also available. The Kdevelop IDE, while it supports several languages, was written with C++ and C in mind. Install it from the repositories with the kdevelop package.
MEPIS Linux 8.5 ships with the Sun Java 6.07 runtime environment; the full developer kit can be installed by installing the sun-java6-jdk package. The Java 5 runtime environment and development kit are also available, and the GNU gcj Java compiler. Newer versions for Linux are available from Sun's website.
The popular Eclipse IDE is available from the repositories; it can be installed by simply selecting the “eclipse” package, but there are many optional add-on packages for it as well. The BeanShell interpreted Java environment is available from the repos, and the NetBeans IDE, available free from Sun, also works on MEPIS Linux 8.5.
Python 2.5 comes preinstalled on MEPIS Linux 8.5. You can launch the interactive interpreter by typing python at the console. Python 2.4 as well as a large selection of additional python libraries are also available from the repositories, where you will also find the eric, idle, and boa-constructor IDEs.
The “mono” packages in the repository provide a .NET-compatible runtime and development environment (for C#, ASP.NET, etc). Install the mono-2.0-devel package to get the runtime environment and development tools. A mono IDE monodevelop is also available.
MEPIS Linux 8.5 does not come with default applications already installed for designing web pages, but several are available from the repositories:
klinkstatus kommander kfilereplace
Consult the Wiki linked below for details on this procedure.
For those looking to do web development (as opposed to web design), the repositories boast a wide array of web frameworks, services, API's and tools. Check the MEPIS Wiki for more information
Some handy development utilities are available for MEPIS Linux 8.5 from the repos. Here are two of the more commonly used:
See also 9.4: Virtual machines
There is a certain number of applications, both open-source and commercial, that will allow Windows applications to run under MEPIS Linux. They are referred to as emulators, meaning that they duplicate the functions of Windows on a Linux platform. Many MS Office applications, games and other programs can be run using an emulator with varying degrees of success ranging from near-native speed and functionality to only basic performance.
Wine is the primary open-source Windows emulator for MEPIS Linux 8.5. It is a kind of compatibility layer for running Windows programs, but does not require Microsoft Windows® to run the applications. New Wine versions are rapidly packaged by Community members and made available on the Mepis Package Sharing forum and then on the Community website.
DOSBox creates a DOS-like environment intended for running MS-DOS-based programs, especially computer games.
CrossOver Office allows you to install many popular Windows productivity applications, plugins and games in Linux, without needing a Microsoft Operating System license. Supports Microsoft Word, Excel and PowerPoint (up to 2003) particularly well.
Cedega is designed to run DirectX and OpenGL games from the Microsoft Windows Platform under Linux. Popular games such as Elder Scrolls IV: Oblivion, Battlefield 2142, World of WarCraft, Madden 2007 and Civilization IV can be played on MEPIS Linux 8.5 with this application.
See also 9.3 Emulators
Virtual machine applications are a class of programs that simulate a "virtual computer" in memory, allowing you to install any operating system on the machine. It is useful for testing, running non-native applications, and providing users the feeling of having a machine of their own. Many MEPIS Linux users make use of virtual machine software to run Microsoft Windows “in a window” to seamlessly provide access to software written for Windows on their desktop. It is also used for testing to avoid installation.
A number of virtual machine software applications for Linux exist, both open-source and proprietary. MEPIS 8.5 makes it particularly easy to use VirtualBox, so we will focus on that here. For details and the most recent developments, see the MEPIS Wiki and Mepis Virtual Machines/Emulators forum linked below.
Here is an overview of the basic steps to set up and run VirtualBox:
Excellent documentation is available through Help on the menu bar or as a PDF from the website.
A window manager in Linux is essentially the component which controls the appearance of windows and provides the means by which the user can interact with them. MEPIS Linux 8.5 comes with the K Desktop Environment, or KDE for short, which provides basic desktop functions, many applications for daily needs (Kmail, Amarok, K3b, etc.), and development tools and user documentation as well. MEPIS Linux 8.5 uses KDE 3.5.10 because it is mature and stable; at some point in the future it will move to KDE 4.x, which is currently under intense development.
KDE is a very powerful desktop environment, but others are available from the repos. Once installed, you can choose the window manager you want from the Menu >Session Type on the login screen (KDM) and log in to as you normally would. For Gnome, you can replace KDM with the Gnome login screen GDM.
Immediately after installing MEPIS Linux you have access to the root filesystem. Everything you need to run MEPIS Linux is already mounted there. But you may need to take extra steps to access data elsewhere, or you might want to set up a partitioning schema that safely stores your data outside your /home directory partition. In cases like that, you may need to know how to mount partitions other than your root partition.
But what exactly is a partition?
Here is a good, basic definition from the Linux Documentation Project:
Partitioning is a means to divide a single hard drive into many logical drives. A partition is a contiguous set of blocks on a drive that are treated as an independent disk. A partition table is an index that relates sections of the hard drive and attached devices to partitions.
When you installed MEPIS Linux, it set up a root filesystem on the partition that you designated. But other partitions can be mounted to the root filesystem and so be made available to the system and its users.
In general, a partition can be mounted dynamically whenever it becomes physically connected, mounted manually when you need access to it, or mounted automatically upon boot. In terms of actual process, dynamic mounting is done by the by udev device manager, while the options for manual mounting as well as for automatic mounting at boot are governed by the configuration file /etc/fstab. The udev device manager listens for devices being added or removed from the system, such as a USB drive, and makes them available to the system. Usually, fstab is the only one that users might need to modify.
The following sections discuss these methods in more detail.
Dynamic mounting occurs when a device is plugged into the system. Most of the time, it will allow you to have access to the device's partition without any action on your part, usually through a window opened up by KDE. Thus, when you plug in a device (USB memory stick, camera, PDA, etc.), the window that pops up showing the contents of that device ultimate depends on dynamic mounting by udev.
The following description udev outlines the mounting process (edited from Wikipedia):
udev is a generic kernel device manager that runs as a daemon [background process] on a Linux system and listens for a new device being initialized (or a device being removed) in the system. The system provides a set of rules that match the properties of the discovered device. A matching rule will possibly name and create a device node and run configured programs to set-up and configure the device. udev rules can match on properties like the kernel subsystem, the kernel device name, the physical location of the device, or properties like the device's serial number. Rules can also request information from external programs to name a device or specify a custom name that will always be the same, regardless of the order devices are discovered by the system.
Rarely, however, no matching occurs and the device is not made available to the system by KDE. This may be due to a hardware problem or a udev problem. It is easy to find out whether the device has been recognized by the system. First plug it in, then open a terminal and type:
dmesg | tail
If the hardware has been recognized, you should see its name and address in the output. That means that the problem lies at the next step, and you may have to modify udev (not recommended for newbies). Search first on your device ID number (e.g., ID 03f0:2112) to see what others have done. For guidance on writing udev rules, consult the how-to below.
If you need access only on an occasional basis to a partition that is not on a device dynamically mounted, such as a partition on your HDD from another OS, you can mount it manually with a couple of graphical tools in MEPIS Linux 8.5.
Dolphin makes it very easy to mount any partitions by dragging them to the Places panel on the left side, then simply clicking on them. Details in the MEPIS Wiki under "Dolphin."
KwikDisk is a kicker applet that will show up in the system tray when installed (looks like stacked disks) just to the right of the taskbar. It has a variety of uses:
Again, simply click on the device that interests you to view the contents.
This will work for any Linux partition, and for Windows 98, 2000 and XP as well. You may have to provide root's password, depending on how permissions are set up.
In order to set MEPIS to automatically mount another partition at boot time so that it will be accessible at all times, you will need to edit options in the /etc/fstab configuration file. Before we get into the details, let's go over the basic structure of every line in that file:
The file /etc/fstab has two parts: permanently available devices and, starting after the comment line: “Dynamic entries below.” These are partitions detected at the time you installed MEPIS Linux, but which are not integral to operating MEPIS. They may be manually mounted, per Section 9.6.2, above. When they are mounted, the settings listed in /etc/fstab will govern their placement and permissions in the root filesystem.
But when you wish to change a partition from the “occasionally mounted manually” category to one that is automatically mounted all the time, a few changes need to be made to the /etc/fstab configuration file.
Here is a typical entry for the first primary partition of a main hard drive:
/dev/sda1 / ext3 defaults,noatime 1 1
Each of the six elements of this entry contains information that must be presented in a specific order, as we can show with this table where the same entry is divided out into the standard categories:
|[Device]||[Mount Point]||[Filesystem]||[Options]||[dump]||[fsck order]|
Now that the structure of the entries makes some sense, we can proceed to edit the file.
As with most Linux configuration files, editing this configuration file (see Section 10.3) can easily be done with a text editor, after you back up the original file.
cp /etc/fstab ~/Backups/fstab.originalThis will copy the current /etc/fstab into your /home/username/Backups directory under the name “fstab.original” in case you need to restore it later. To restore it you would need to issue this command as root:
cp /home/username/Backups/fstab.original /etc/fstabNote that in the first command, you copied a system file to your personal directory using the tilde —a shorthand for “user home directory.” All cool. But the command to restore a system file needs to be much more precise. In addition to issuing the command as the root user, you need to specify the user home directory more strictly —from the root point of view.
kdesu kwrite /etc/fstab
sysfs /sys sysfs defaults 0 0 # Dynamic entries below /dev/sda1 /mnt/sda1 ext2 noauto,users,exec 0 0 /dev/sda2 /mnt/sda2 auto noauto,users,exec 0 0 /dev/sda3 /mnt/sda3 auto noauto,users,exec 0 0For the future, when you're sober, it might be good to document your change with a comment line so you know what is what. The following is an example of the new line in place, with a comment line added:
sysfs /sys sysfs defaults 0 0 # automatically mounted partitions /dev/sda3 /mnt/sda3 auto noauto,users,exec 0 0 # Dynamic entries below /dev/sda1 /mnt/sda1 ext2 noauto,users,exec 0 0 /dev/sda2 /mnt/sda2 auto noauto,users,exec 0 0
sysfs /sys sysfs defaults 0 0 # automatically mounted partitions /dev/sda3 /mnt/sda3 auto auto,users,exec 0 0 # Dynamic entries below /dev/sda1 /mnt/sda1 ext2 noauto,users,exec 0 0 /dev/sda2 /mnt/sda2 auto noauto,users,exec 0 0
Now fstab will be parsed and all filesystems that are set to mount at boot will be immediately mounted if they are not already. You will find the partition mounted under /mnt.
To make it more convenient, you can mount it to another location. Let's say you want your Windows XP partition to show up as a mounted directory under /home. Here's how:
kdesu kwrite /etc/fstab
As before, back up the file before you start working on it.
/dev/hda1 /mnt/hda1 /mnt/hda1 ntfs-3g defaults,noatime 0 0
/dev/hda1 /home/UserName/XP/ ntfs-3g defaults,noatime 0 0
su [and give root password when prompted] chown -R joany:users /home/joanyCheck to see that you have the correct user and group owner with:
ls -lor by checking your home directory in Dolphin using the Detailed List View mode. Once it's fixed, subsequent booting does not affect the ownership.
ALthough Windows NTFS partitions (as used in Windows 2000 and later) usually present little problem, there is sometimes difficulty with the necessary system permissions to write or delete files on a Windows FAT partition (as in Windows 98). If this seems to be the case on your computer, you'll need to insert a step after Step 4 above:
Set the following additional mount options for a Windows FAT partition. Note that MEPIS should already have identified it as a vfat partition in the third column, so all your changes need only be in the fourth column (bolded below):
/dev/sda5 /mnt/sda5 vfat user,users,gid=disk,umask=0000,utf8=true 0 0
If you need to set something other than full read/write/execute permissions for everyone who logs into your MEPIS system, you will need to do more study before fine-tuning your mounting permissions.
A script is a simple text file that can be written directly from a keyboard, and consists of a logically sequenced series of operating system commands. The commands are handled one at a time by a command interpreter which in turn requests services from the operating system. The default command interpreter in MEPIS is Bash. The commands must be understandable to Bash, and command lists have been established for programming use. A shell script is the Linux counterpart of batch programs in the Windows world.
Scripts are used throughout the Linux OS and applications that run on it as an economical method of executing multiple commands in an easily created and modified manner. During boot, for instance, many scripts are invoked to start up specific processes such as printing, networking, etc. Scripts are also used for automated processes, system administration, application extensions, user controls, etc. Finally, users of all kinds can employ scripts for their own purposes.
Let's do a very simple (and famous) script to get the basic idea.
#!/bin/bash clear echo "Good morning, world!"All scripts open with a shebang as in the first line: it is a combination of a number sign, an exclamation point, and the path to the command interpreter--here, Bash is the interpreter and it is found in the standard location for user applications.
This simple script doesn't do very much, but it does establish the principle that a simple text file can be used to send commands to control your system's behavior.
Let's look at a useful script for the ordinary user that reduces all the moves involved in backing up multiple sets of files into a single keystroke. The script below relies itself on a system script called Rdiff-backup that would need to be installed from the repos for the script to work. It copies one directory to another, keeping a record of the differences in a special subdirectory so you can still recover files lost some time ago. (Incidentally, Rdiff-backup uses in turn on a script called Diff.)
In this example, a user named “newbie” wants to set up a script to back up documents, music, mail and pictures from the /home directory to an external drive.
1 #!/bin/bash 2 # 3 # This Rdiff-Backup script backs up to a second hard drive 4 # It must be run as root in order to mount the second hard drive 5 6 # To restore files, issue the command: cp -a /mnt/sda1/username /home 7 # To restore, but not overwrite: 8 # cp -a -i --reply=no /mnt/sda1/username /home 8 9 # Mount the external devices 10 11 mount /dev/sdb1 12 mount /dev/sdb2 13 mount /dev/sdb3 14 15 # Execute the backup 16 17 rdiff-backup /home/newbie/Documents /mnt/sdb2/Documents 18 rdiff-backup /home/newbie/Music /mnt/sdb1/Music 19 rdiff-backup /home/newbie/Mail /mnt/sdb2/Mail 20 rdiff-backup /home/newbie/Pictures /mnt/sdb3/Pictures 21 22 # Unmount the external devices 23 24 umount /dev/sdb1 25 umount /dev/sdb2 26 umount /dev/sdb3
Now let's look at this script's components:
Anyone who wanted to use such a script would have to carry out a few execution steps:
Hint: use the tab key to autocomplete the file name after you type the first few letters.
Users coming from Microsoft Windows® typically find a lot of unfamiliar concepts, and get frustrated trying to do things the way they are accustomed to doing them. This section will give you a conceptual overview of some basic aspects of MEPIS Linux, and how they differ from other systems to help ease your transition.
MEPIS Linux ultimately inherits its fundamental design from Unix, an operating system that has been around in various forms since 1970 —much earlier than MS-Windows®. MEPIS Linux 8.5 is also mainly composed of free, open-source software (FOSS) (i.e. software that is distributed without restrictions on the use of its source code). The Unix heritage plus the open-source nature of MEPIS have a strong impact on its design.
Unix provided the foundation for the development of Linux starting in 1991. As is well known, Linus Torvalds united his developing kernel with the free software framework of the GNU Project, started by Richard Stallman in 1984, and the resulting OS is often referred to as GNU-Linux.
A user interface of some sort needs to serve for input and control. At its simplest, this interface is a command line, as in the original Unix and also in the original MS-DOS prior to MS-Windows, but today all the most popular Linux versions use a graphical user interface (GUI) that relies on the X Window System, a software system and protocol that provides the basic framework for graphical display.
Finally, MEPIS builds directly on the highly popular Linux distribution called Debian, its direct upstream source of fundamental structures and features. Founded in 1993, Debian has become preeminent in areas such as package development, release protocol, organizational structure and commitment to free software. To the solid core provided by Debian's stable release (which the Debian development version “Lenny” is about to become), MEPIS adds user-friendly features such as a very simple installation tool, excellent hardware recognition, a set of configuration “Assistants,” and a LiveCD framework —all supported by a lively and knowledgeable Community that contributes to MEPIS the artwork and documentation, as well as additional software packages.
There are two basic uses of the term “filesystem.” The first is the Operating System's Filesystem. This refers to the files and their organization that the operating system uses to keep track of all the hardware and software resources it has as its disposal while running. The other use of the term filesystem refers to the Disk Filesystem, designed for the storage and retrieval of files on a data storage device, most commonly a disk drive. The Disk Filesystem is set when the disk partition is first formatted, prior to writing any data on the partition.
One of the first problems many new Linux users struggle with is how the filesystem works. If you have been looking around your MEPIS Linux 8.5 system trying to find the C:\ drive or D:\ drive, for instance, you are searching in vain: MEPIS handles hard drives and other storage media differently from Windows. Rather than having a separate filesystem tree on every device, MEPIS has a single filesystem tree ( called the root of the filesystem) which is marked “/” and contains every attached device. When a storage device is added to the system, its filesystem is attached to a directory or subdirectory of the file system; this is called mounting a drive or device.
If you open Dolphin and browse to “/”, you will notice a number of directories with names based on the Unix Filesystem Hierarchy Standard. Here is a simple description of the major directories in MEPIS 8.5 along with a common example of when users commonly work with files there (see MEPIS Wiki for details):
Example: Many basic command-line programs, such as the Bash shell, and utilities like dd, grep, ls, and mount are located here, in addition to programs only used by the OS.
Example: users modify /boot/grub/menu.lst to change the list of bootable operating systems or the length of time to wait for default booting.
Example: no file here is commonly accessed directly by users, except in CLI mounting commands.
Example: The file /etc/fstab specifies mount points for additional filesystems on devices, partitions, etc. that can be configured for your optimal use.
Example: display problems sometimes involve editing the file /etc/X11/xorg.conf.
Example: users typically organize their own files at first by using default directories such as Documents, Music, etc.
Example: your Firefox profile is located in .mozilla/firefox
Example: no file here is commonly accessed by users.
Example: After dynamically mounting a peripheral device like a flash drive, you may access it here.
Example: Users can access drives and partitions mounted here.
Example: if you want to install Google Earth, this is where you place it. Some distros, including MEPIS, also place user-installed programs in /usr subdirectories.
Example: no file here is commonly accessed by users, but files saved while logged in as the root user may be saved here.
Example: no file here is commonly accessed by users, but this is where files like modprobe and ifconfig are located.
Example: no file here is commonly accessed by users.
Example: many executables are located in (/usr/bin)
Example: documentation (/usr/docs) and configuration files, graphics and icons are in (/usr/share).
Example: no file here is commonly accessed by users.
The disk filesystem is something about which the average user does not need to be much concerned. The default disk filesystem used by MEPIS Linux 8.5 is called ext3, a version of the ext2 filesystem that is journaled —i.e., it writes changes to a log before enacting them, rendering it more robust. The filesystem ext3 is set during installation when your your hard drive is formatted.
By and large, ext3 has more years, in its track record over any of its rivals, of combining stability and speed, and we do not recommend installing MEPIS onto a different disk filesystem unless you are well-educated in the differences. However, MEPIS can read and write to many other formatted disk filesystems, and may even be installed on some of them, if for some reason one of them is preferred over ext3. This includes for the first time ext4, a journaling file system being developed as the successor to ext3.
NOTE: if you are dual or multi-booting different operating systems on the same computer, see Section 9.6: Accessing other partitions for more information.
MEPIS is an account-based operating system. This means that no program can run without a user account to run under, and any running program is thereby limited by the permissions granted to the user who started it.
In MEPIS Linux 8.5 there is one and only one user account which has permission to do everything; this account is called root (not to be confused with the “root” of the filesystem, mentioned in Section 10.1 see: root filesystem). The root user has a unique password that is set during system installation. When you run programs (such as Synaptic or MEPIS System Assistants) that need to access or change protected operating system files and directories, you will be prompted for the root password. Once you enter it, MEPIS will be able to make the specific changes it needs.
NOTE: Much of the security and stability that Linux is known for hinges on the proper use of limited user accounts, and the protection provided by default file and directory permissions. For this reason, you should operate as root only for a procedure that requires it. Never log into MEPIS as root to run the computer for normal activities!
The default file permissions structure in Linux is fairly simple, but more than adequate for most situations. For each file or folder, there are three permissions that can be granted, and three entities (owner/creator, group, others/world) to which they are granted. The permissions are:
Every file and folder acquires a single user designated as its owner when it is created on the system. (Note that if you move a file from another partition where it has a different owner, it will keep the original owner; but if you copy and paste it, it will be assigned to you.) It also has a single group designated as its group, by default the group to which the owner belongs. The permissions you grant to others affect everyone who isn't the owner or in the owning group.
NOTE: For advanced users, there are additional special attributes beyond read/write/execute that can be set: sticky bit, SUID, and SGID. For more information, see Links and Guides for Section 10.2.
To view or change a file's permissions in KDE, right-click the file and select Properties. Click the Permissions tab. Here you can set the permissions granted to the owner, group, and others using the pull-down menus. For some files (like scripts, for instance), you need to check the box to make them executable, and for folders you can check a box to limit the deletion of files inside it to the owners. If necessary, you can click Advanced Permissions and see the permissions grid for the file.
NOTE: you must be operating as root to change the permission of a file or directory whose owner is root.
KUser is part of KDE and can be reached by clicking Start Menu > System > KUser (User Manager) and supplying the root password. The main screen has two tabs, one for users and the other for groups; above them sits a toolbar and on top a menu bar. Here are the icons on the toolbar:
The first three buttons in the toolbar have to do with user management (default tab): add user, edit user, and delete any user highlighted. The second three are used with similar functions for group management (Groups tab), and allow you to decide who belongs to each group. The screens that pop up are pretty self-explanatory, but you can consult the KUser Handbook found under Help.
The MEPIS User Assistant can also be used to add or delete a user. In addition, it can restore default values for groups and memberships.
Although Dolphin and KUser cover most daily situations, sometimes it can be preferable to deal with the command line. Basic permissions are represented by r (read), w (write) and x (execute).
To view permissions of a file on the command line, type this:
ls -l NameOfFile
The -l switch will cause the file to be list in long format, displaying its permissions among other information. Here is an example of what the user "newbie" might see for the Firefox profiles.ini file:
newbie@Computer:$ ls -l /home/newbie/.mozilla/firefox/profiles.ini -rw-r--r-- 1 newbie users 94 2008-10-22 10:07 profiles.ini
The bolded "rw-r--r--" bit right after the opening dash (indicating it is a regular file) contains read/write/execute permissions for owner, group and others: 9 characters total. Here it shows us that the owner has read and write but not execute (rw-), but the group and others can only read (r--). The owner in this case is specified to be "newbie" who belongs to the group "users".
If for some reason it was necessary to change the ownership of this file to root using the command line, you would use the chown command like this:
chown root /home/newbie/.mozilla/firefox/profiles.ini
For details on using chown, as well as the more detailed chmod, see Links and Guides for Section 10.2.
Sometimes a program needs to have a user registered before it will operate correctly. Let's take an example with the photo organizer DigiKam, which can be fussy about this. According to the directions on the DigiKam home page, the username should be added to the user group “camera” but that group is not listed. Here's how you would do that:
With only rare exceptions, program and system settings on MEPIS Linux 8.5 are stored in discrete plaintext configuration files; there is no “Registry” which requires special tools to edit. Most configuration files are just simple lists of parameters and values which are read by programs when they launch to determine their behavior.
Files that hold individual user settings (such as high scores for your games, or the layout of your desktop) are stored within a user's home directory, typically as a hidden file or directory, and can only be edited by that user or by root.
These personal configuration files are actually less often edited directly than system files because most of the user configuration is done graphically through the applications themselves. When you open an application and click Edit >Preferences, for example, your selections are written to a (usually hidden) configuration file in your user directory. Likewise in Firefox, when you type about:config in the address bar, you are editing the hidden configuration files.
Files that hold system-wide configurations or defaults (such as the file that determines which services automatically launch during boot up) are largely stored in the /etc/ directory and are only editable by root. Most of these files are never touched directly by regular users, such as these for instance:
Some configuration files can contain just a few lines, or even be empty, while others may be quite long. The important point is that if you are looking for a configuration file for an application or process, head for the /etc directory and look around.
We already looked at editing the configuration file /etc/fstab to mount other partitions (Section 9.6), but let's look at another example here.
Display problems can be solved with a number of grahical and command-line tools, as we saw in Section 5.2.2, but once in a while a user needs to directly edit the system-wide configuration file /etc/X11/xorg.conf. (NOTE: like all configuration files, this should always be backed up before editing.) This file is long and has lots of entries, but let's say you are still having problems with your USB mouse after using the standard tools, and want to check how it is actually configured. You open the file, then search and find the correct entry, something like this:
Section "InputDevice" Identifier "USB Mouse" Driver "mouse" Option "Device" "/dev/input/mice" Option "Protocol" "auto" Option "ZAxisMapping" "4 5" Option "Buttons" "5" EndSection
To try to improve mouse functionality, you might decide to substitute the exact information about the mouse's manufacturer and model in place of the word “auto.” Similar steps are sometimes taken with a monitor or keyboard, for instance, when no other tool has worked.
MEPIS Linux boots up by executing the program init. After completing the boot process, init executes all start scripts in a directory specified by the default runlevel (this runlevel is given by the entry for id in /etc/inittab). Like most other Linux versions, MEPIS has 7 runlevels:
|0||Halt (power down)|
|1||Single-user mode: provides a root console without logon. Useful if you lose your root password|
|2||Multiuser with no network|
|3||Console logon, no X (i.e. no GUI)|
|5||Default GUI logon|
MEPIS defaults to runlevel 5, therefore any init scripts set up in the level 5 config file will run at boot.
Understanding runlevels can be handy. When users have a problem with X Window Manager, for instance, they can not work on it on the default runlevel 5, because as we just saw that is the level where X runs. But they can drop to runlevel 3 where they can work to fix things by opening a terminal, becoming root, and typing:
Once you are out of X and looking at a prompt, login with your normal username and password. To get back to the login screen, become root and type:
Other useful commands when you are looking at the prompt on runlevel 3 include:
It is equally possible to boot to runlevel 3 by merely adding the number three at the end of the boot options on the GRUB screen. From there you can simply type:
to get to runlevel 5 and your desktop.
Last place in this User's Manual goes to the first and most important element of MEPIS Linux 8.5: the Linux kernel. Every Linux version (distro) uses some version of the kernel, which was first developed and is still maintained by Linus Torvalds, with input from many other programmers around the world.
The following diagrams and descriptions of the GNU/Linux kernel come from the Anatomy of the Linux kernel and gives the average user a clear sense of the kernel's place in the Linux OS:
At the top is the user, or application, space. This is where the user applications are executed. Below the user space is the kernel space. Here, the Linux kernel exists.
There is also the GNU C Library (glibc). This provides the system call interface that connects to the kernel and provides the mechanism to transition between the user-space application and the kernel. This is important because the kernel and user application occupy different protected address spaces. And while each user-space process occupies its own virtual address space, the kernel occupies a single address space.
The kernel itself has a number of components that include process management, memory management, network stack (definition of a particular group of protocols along with the software to implement them), virtual file system, and device drivers. The largest of these by far is the collection of device drivers that are necessary to make your hardware usable.
Much more detail is available from the documents referenced in the Links and Guides for Section 10.5.
The Linux kernel is in constant development, so it uses a version numbering system to keep track. MEPIS Linux 8.5 is released using the kernel 2.6.32, but that will change over time. To find out your current major kernel version name, open a terminal and type:
$ uname -r
You will see a result something like 2.6.32-1-mepis-smp (32bit) or 2.6.32-1-mepis64-smp (64bit). The MEPIS kernel also has an internal version number that you can see by looking on the "Installed files" tab of the current kernel entry in Synaptic.
Unlike other software on your system, the kernel is not upgraded automatically except below the minor revision level (indicated by the third number in the kernel name). To upgrade the kernel when a new one becomes available in the repos, follow this procedure:
Such updates (only internal version number changes) can be installed without endangering the reboot process. Kernel upgrades, where the major number changes will show up as a new package instead of an upgrade in Synaptic, should be approached with caution. They can be problematic, and may require manual editing of GRUB (see Wiki).
To solve particular problems, advanced users sometimes make use of kernel patches. A patch is program that updates files according to instructions contained in a separate file, called a patch file. The patch file consists of a list of differences that can be run to change the original file. For details, follow the Wiki link below.
Advanced users sometimes compile and install their own kernel, starting with the kernel source code. The motivation for doing this can range from pure fun to practical goals such as to produce a kernel optimized for a certain architecture and use. Although the procedure is complicated, detailed directions can be found in the MEPIS Wiki if needed.
In order to compile some programs you might need to have kernel headers, which are C files that define structures and constants that are needed for building most standard programs. Some programs ask for kernel sources, but most often the headers are sufficient. You can find them in Synaptic, but you have to be careful to match the headers to your kernel version. For this reason, it is actually somewhat easier to open a terminal, become root, and type:
apt-get install linux-headers-$(uname -r)
This code will enter automatically the number of your working kernel and fetch the appropriate headers.
A kernel panic is a relatively rare action taken by the MEPIS Linux system when it detects an internal fatal error from which it cannot safely recover. It can be caused by a number of different factors that range from hardware problems to a bug in the system itself. When you get a kernel panic, try rebooting with the MEPIS Linux LiveCD, which will overcome temporarily any software problems and hopefully allow you to see and offload your data. If that doesn't work, then unplug all unnecessary hardware and try again.
Your first concern is to access and secure your data. Hopefully, you have it backed up somewhere. If not, you can use one of the data recovery programs such as testdisk or ddrescue that are supplied with MEPIS Linux 8.5 (details in the Wiki). Your last resort is to take your harddrive to a professional recovery business.
There are a number of steps you might have to take to recover a functional MEPIS Linux system once you have your data safe, although ultimately you may have to reinstall using the LiveCD. Depending on the type of failure, the following steps may be undertaken:
Be sure to ask on the MEPIS Community Forum forum if you have any questions about these procedures.
If you are looking for something that is not covered in this Manual, these MEPIS resources are available for more help.
Built and maintained by members of the MEPIS community, this website has links to nearly all aspects of MEPIS Linux online. Designed to be the primary bookmark for the MEPIS Linux user, it contains not only links to other MEPIS-related websites, but up-to-date news on MEPIS Community Projects —such as the Community Software Repository and the MEPIS Torrent Team— that are available nowhere else. Available in six languages.
The MEPIS Wiki contains a great deal of other material. As an ongoing product of volunteer users, it can be more up-to-date and detailed than the Manual. Here's how to find what you're looking for:
MEPIS Linux 8.5 users have a number of forums at their disposal:
See the Links and Guides section at the bottom of the page for all the above.
To get the answer you are seeking on any of these forums, please try to follow these procedures:
A number of search engines can be used for more help:
NOTE: much of the Linux documentation on the web is out-of-date or unsuitable for MEPIS Linux 8.5, and could actually do more harm than good to your system! Ask on the Mepis Community Forum, if you are not certain whether or not an internet tip is applicable to MEPIS 8.5.
Linux terms can be confusing and offputting at first, so this Glossary provides a list of the ones used in this Manual to get you started. For more help on the terms used in the Linux computer world, see Links and Guides.
If you reached this page by clicking on a green glossary link, use your browser's [<—] back button to return you to your previous page.
backend: Also back-end. The backend includes the various components of a program that process the user input entered through the frontend. See also frontend.
backport: Backports are new packages that have been recompiled to run on a released distribution in order to keep it up-to-date.
BASH: The default shell on most Linux systems as well as on Mac OS X, BASH is an acronym for Bourne-again shell. For more information, see Links and Guides at the bottom of the page.
BitTorrent: Also bit torrent or torrent. A method invented by Bram Cohen to distribute large files without the need for a single individual to provide the hardware, hosting and bandwidth resources required.
Bootloader: Program that initially chooses an operating system to load after the BIOS has finished intializing the hardware. Extremely small in size. the bootloader's only job is to hand contol of the computer over to the Operating System's kernel. Advanced bootloaders offer a menu to choose between several installed operating systems.
Boot options: Also cheat codes. Additional boot and kernel commands available to modify the boot and installation procedures. An example is “vga=normal” which tells the system to disable the default resolution, often used for older monitors.
chainloading: Also chain loading. Instead of directly loading an operating system, a boot manager like GRUB can use chain loading to pass control from itself to a boot sector on a hard disk partition. The target boot sector is loaded in from disk (replacing the boot sector from which the boot manager itself was loaded) and the new boot program is executed. In addition to when it is necessary, as in booting Windows from GRUB, the advantage to chainloading is that each operating system on the hard disk drive —and there could be dozens— can be responsible for having the correct data in it's own boot sector. So GRUB residing in the MBR need not be rewritten every time there are any changes. GRUB can simply chainload the relevant information from the boot sector of a given partition whether it has changed or remained the same since the last boot time.
cloop error: A failure to read a block of compressed data. CLOOP is shorthand for compressed loopback device, a linux kernel module that allows a compressed filesystem to be read, such as is used on a MEPIS LiveCD.
command line interface (CLI): Also known as console, Konsole, terminal, command prompt, shell, or bash. This is a UNIX-style text interface, which MS-DOS was also designed to resemble. A root console is one where administrative privileges have been acquired after entering the root password.
desktop environment: The software which provides a graphical desktop (windows, icons, desktop, task bar, etc) for an operating system user. MEPIS integrates the KDE desktop and configures it to feel familiar to both Windows® and Mac OS X® users.
disk image: A file containing the complete contents and structure of a data storage medium or device such as a hard drive or DVD. See also ISO.
Distribution: A Linux Distribution, or “distro”, is a particular packaging of the Linux kernel with various GNU software packages, and different desktops or window managers. Since —unlike the proprietary code used in the Microsoft and Apple OS's— GNU/Linux is Free, Open-Source Software, literally anyone in the world who has the ability can freely build on what has been done and innovate a new vision of a GNU/Linux operating system. MEPIS Linux is a distro based on the Debian Linux family.
file system: Also filesystem. This refers to the way that files and folders are logically arranged on a computer's storage devices so they may be found by the operating system. It can also refer to the type of formatting on a storage device, such as the common Windows formats NTFS and FAT32, or the Linux formats ext3, ext4 or ReiserFS, and in this sense refers to the method actually used to encode binary data on the Hard Disk Drive, floppy, flash drive, etc.
free-as-in-speech: The English word “free” has two possible meanings: 1) without cost, and 2) without restrictions. In part of the open-source software community, an analogy used to explain the difference is 1) “free” as in beer vs. 2) “free” as in speech. The word freeware is used universally to refer to software that is simply without cost, whereas the phrase free software loosely refers to software that is more properly called open-source software, licensed under some type of open source license such as the GPL.
frontend: Also front-end. The front-end is the part of a software system that interacts directly with the user. See also backend.
GPL: The GNU General Public License. This is a license under which many open-source applications are released. It specifies that you may view, modify, and redistribute the source code of applications released under it, within certain limits; but that you may not distribute the executable code unless you also distribute the source code to anyone who asks for it.
Graphical User Interface (GUI): This refers to a program or operating system interface that uses pictures (icons, windows, etc), as opposed to text (command-line) interfaces.
home directory: One of the 17 top-level directories branching from the root directory in MEPIS Linux, /home contains a subdirectory for every registered user of the system. Within each user's home directory s/he has full read-write privileges. Further, most of the user-specific configuration files for various installed programs are stored in hidden subdirectories within the /home/username directory —as is downloaded email. Other downloaded files usually go by default into the home/username/Documents or /home/username/Desktop subdirectories.
ISO: A disc image following an international standard that contains data files and filesystem metadata, including boot code, structures, and attributes. This is the normal method for delivering Linux versions such as MEPIS over the Internet. See also disk image.
kernel: The layer of software in an operating system that interacts directly with the hardware.
Kicker: The panel in KDE that appears by default at the bottom of the screen and contains navigation icons, open (minimized) programs and system notifications. It is highly configurable, and can include a utility to switch between any of several desktops you can run simultaneously, if your primary desktop surface tends to get cluttered with open programs. For a graphic and a short explanation of its default appearance, see Section 3.3: Kicker.
LiveCD: A bootable compact disc from which one can run an operating system, usually with a complete desktop environment, applications, and essential hardware functionality. In 2003, MEPIS was the first distribution of Linux to include a GUI-based Installer application on the desktop of a fully functional LiveCD, so a separate Installation CD was no longer needed. Simultaneously, MEPIS was also the first Linux to include GUI-based tools, now called Assistants, on the LiveCD to help a user repair a broken system.
MBR: Master Boot Record: the first 512-byte sector of a bootable hard disk drive. Special data written to the MBR enables the computer's BIOS to pass the boot process off to a partition with an installed operating system.
md5sum: A program that calculates and verifies a file's data integrity. The MD5 hash (or checksum) functions as a compact digital fingerprint of a file. It is extremely unlikely that any two non-identical files will have the same MD5 hash. Because almost any change to a file will cause its MD5 hash to also change, the MD5 hash is commonly used to verify the integrity of files.
mirror: Also mirror site. An exact copy of another Internet site, commonly used to provide multiple sources of the same information to supply reliable access to large downloads.
module: Modules are pieces of code that can be loaded and unloaded into the kernel upon demand. They extend the functionality of the kernel without the need to reboot the system.
mountpoint: The place on the root filesystem where a fixed or removable device is attached (mounted) and accessible as a subdirectory. All computer hardware needs to have a mountpoint in the filesystem to be usable. Most standard devices such as keyboard, monitor and your primary hard disk drive are mounted automatically at boot.
NTFS®: Microsoft's New Technology File System debuted in 1993 on the Windows NT Operating System, geared to business networks, and with revisions entered the mainstream Windows users' desktop computers in later versions of Windows 2000. It has been the standard file system since Windows XP was introduced in late 2001. Unix/Linux-oriented folk say it stands for "Nice Try File System."
open-source: Software whose source code has been made available to the public under a license that allows individuals to modify and redistribute the source code. In some cases, open-source licenses restrict the distribution of binary executable code. For more information visit the Open Software Initiative (link below).
package: A package is a discrete, non-executable bundle of data that includes instructions for your package manager about installation. A package doesn't always contain a single application; it might contain only part of a large application, several small utilities, font data, graphics, or help files.
package manager: A package manager such as (Synaptic or Gdebi) is a collection of tools to automate the process of installing, upgrading, configuring, and removing software packages. See 7.2: Synaptic Software Package Manager
port: A virtual data connection that can be used by programs to exchange data directly, instead of going through a file or other temporary storage location. Ports have numbers assigned for specific protocols and applications, such as 80 for HTTP, 5190 for AIM, etc.
repo: See repository.
repository: A software repository is an internet storage location from which software packages may be retrieved and installed via a package manager. In MEPIS Linux, the repository list file (/etc/apt.sources.list) is typically modified through the default package manager Synaptic.
root Root has two common meanings in Unix/Linux OSs, and they are intimately connected, but the distinction is important to understand. The root filesystem is the basic logical structure of all the files the operating system can access, whether programs, processes, pipes or data. It should follow the Unix Filesystem Hierarchy Standard, which specifies where in the hierarchy to locate all types of files.
The second meaning of root is the computer user who owns the root filesystem —and so has all permissions necessary to do anything to any file. While it is sometimes necessary to temporarily assume the powers of the root user to install or configure programs, it is dangerous and violates the basic security structure of Unix/Linux to log in and operate as root unless absolutlely necessary. In a command line interface, a regular user can temporarily become root by issuing the command su then entering the root password.
runlevel A runlevel is a preset operating state on a Unix-like operating system. A system can be booted into any of several runlevels, each of which is represented by a single digit integer. Each runlevel designates a different system configuration and allows access to a different combination of processes (i.e., instances of executing programs). See Section 10.4: Runlevels
script: An executable text file, containing commands in an interpreted language. Usually refers to BASH scripts which are used extensively “under the hood” of the Linux operating system, but other languages may be used as well.
source code: The human-readable code in which software is written prior to being assembled or compiled into machine-language code.
switch: A switch (also flag, option or parameter) is a modifier appended to a command to change its behavior. A common example is -R (recursive), which tells the computer to carry out the command through all subdirectories.
tarball: An archiving format, like zip, popular on the Linux platform. Unlike zip files, though, tarballs may use one of a number of different compression formats, such as gzip or bzip2. They usually end in file extensions like .tgz, .tar.gz, or .tar.bz2. Many archive formats are supported in MEPIS with a graphical application called Ark. Usually an archive can be extracted simply by right-clicking on it in KDE.
window manager: A component of a desktop environment that provides the basic maximize/minimize/close/move functions for windows in the GUI environment. Sometimes it can be used as an alternative to a full desktop environment. In MEPIS, the default window manager is called KWin, and is an integral part of the K Desktop Environment (KDE). In antiX, the default is Fluxbox, a very light windows manager that requires very little graphics and system RAM.
Unix: Also UNIX. The operating system which Linux is modeled after, developed in the late 1960's at Bell Labs and used primarily for servers and mainframes. Like Linux, Unix has many variations.
X: Also X11, xorg. The X Window System is a networking and display protocol which provides windowing on bitmap displays. It provides the standard toolkit and protocol to build graphical user interfaces (GUIs) on Unix-like operating systems and OpenVMS, and is supported by almost all other modern operating systems. In Mepis Linux, the X server operates on runlevel 5. See also: http://en.wikipedia.org/wiki/X_display_manager