HOWTO X.org

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Contents

[edit] Introduction

This is just a quick howto for X11. As of right now it just covers the basics. Perhaps it will grow.

[edit] Hardware

[edit] Mouse

For the simplest mouse configuration, add the following section to /etc/xorg.conf:

File: /etc/X11/xorg.conf 
Section "InputDevice"
 Identifier "Mouse"
 Driver "mouse"
 Option "Protocol"   "PS/2"
 Option "Device"     "/dev/input/mice"
EndSection

for 2 button mice or laptop trackpads, add: 

 Option "Emulate3Buttons"

[edit] Other

See also:

Code: Specialized video packages 
 emerge ati-drivers
 VIDEO_CARDS="yourcard" emerge x11-drm   (for ATI Radeon    up to 9200, Rage128, Matrox, Voodoo and other cards)
Note: DRM as this is not supported anymore and might not work. Instead, enable DRM in your kernel as well as the ATI Driver for DRM, rebuild and reboot.
Code: Available entries for your video card 
VIDEO_CARDS="fglrx radeon vesa vga -apm -ark -chips -cirrus -cyrix -dummy -fbdev -glint -i128 -i740 -i810 -imstt -mach64 -mga -neomagic -nsc -nv -nvidia -r128 -rendition -s3 -s3virge -savage -siliconmotion -sis -sisusb -tdfx -tga -trident -tseng -v4l -via -vmware -voodoo"

You can include VIDEO_CARDS="yourcard" in your make.conf file.

[edit] x.org

Here are a couple of hints for configuring X before you actually use it:

[edit] Installing

Code: Installing x.org 
 emerge xorg-x11
 env-update
 source /etc/profile

[edit] Configuring Video in X11

Code: Configuring x.org 
 # Text configuration
 xorgconfig


 # Automatic Xorg Configuration
 X -configure
 mv /root/xorg.conf.new /root/xorg.default.conf


 # The knoppix configuration
 emerge mkxf86config
 mkxf86config.sh
 mv /etc/X11/xorg.conf /root/xorg.knoppix.conf


 # Example of Configuration with Special Drivers
 # emerge nvidia-kernel nvidia-glx nvidia-settings; eselect opengl set nvidia
 # modprobe nvidia
 # X -configure
 # mv /root/xorg.conf.new /root/xorg.nvidia.conf


 # Test and then use <CTRL>+<ALT>+<BKSP> to kill X
 X -config /root/xorg.default.conf
 X -config /root/xorg.knoppix.conf
 X -config /root/xorg.nvidia.conf


 echo "Choose the best configuration and then:"
 mv /root/xorg.${BEST}.conf /etc/X11/xorg.conf
 # Test and then use <CTRL>+<ALT>+<BKSP> to kill X
 startx

NOTICE: that if you have an ati or nvidia card and run `X -configure` after loading the module for it, you get a more complete xorg.conf.

NOTICE 2: You must run hwsetup once before mkxf86config to generate some configuration files!

Of course, you can't really test your configuration to much of a great extent without installing a desktop environment such as Gnome, KDE or Xfce, but xorgcfg does a decent job at graphically tuning the configuration you've just generated.

You may find it useful to look at the text of each config file and then mix and match the best ones.

NOTICE 3: as Feb 20, 2008 mkxf86config is currently masked.

Code: /usr/portage/profiles/package.mask: 
# Chris Gianelloni <wolf31o2@gentoo.org> (20 Feb 2008)
# Masking these so people will quit installing them on their systems.  These
# packages are designed for use on the LiveCD only and will do unspeakably
# horrible and unexpected things on a normal system.  YOU HAVE BEEN WARNED!!!

[edit] Don't Forget

[edit] Set Default Depth

File: /etc/X11/xorg.conf 
 Section "Screen"
        Identifier "Screen0"
        Device     "Card0"
        Monitor    "Monitor0"
        DefaultDepth 24 # Don't forget
 # ~~ stuff ~~
         SubSection "Display"
                Viewport   0 0
                Depth     24
        EndSubSection
EndSection

And if you did in fact have an nvidia card, you would want to run nvidia-settings and tweak a little once you got into X. YOU NEED TO RUN nvidia-settings inside of an X session by running startx or you will get a Gtk-Warning.

[edit] Allow root to start X applications after su'ing:

File: /etc/profile 
 export XAUTHORITY="${HOME}/.Xauthority"

One can also use the utility called sux. Just emerge sux and sudo sux -.

this advise is not correct, it results in;

cannot connect to X server

[edit] Enable Euro Symbol

Find iso8859-1 in variable definitions of /usr/X11R6/lib/X11/fonts/misc/fonts.alias and replace with iso8859-15.

[edit] Links

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