XFree Local Multi-User HOWTO
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6.2. Configuring gdm

Gdm, as a complete rewrite of xdm, uses its own configuration file, /etc/X11/gdm/gdm.conf . You should locate the definitions of the local X servers and add additional X servers for the number of cards you have.

Note Note
 

  • SuSE uses:

    • /etc/X11/XF86Config

    • /etc/opt/gnome2/gdm/gdm.conf for gdm2

  • Debian uses:

    • /etc/gdm/gdm.conf for gdm

      /etc/X11/gdm/ is a symbolic link to /etc/gdm/ , so you can use both paths.

  • Red Hat and Gentoo use:

    • /etc/X11/XF86Config

Modifications:

6.2.1. Changes, Part 1


.......
[servers]
# These are the standard servers.  You can add as many you want here
# and they will always be started.  Each line must start with a unique
# number and that will be the display number of that server.  Usually just
# the 0 server is used.
0=Standard
1=Second
.......
Here, you'll have only 0=Standard. For each additional X server you should add a definition, like here, for 1=Second.

6.2.2. Changes, Part 2

..............................
# Definition of the standard X server.
[server-Standard]
name=Standard server
command=/usr/X11R6/bin/X0 :0 -deferglyphs 16 -ac vt7
flexible=true

[server-Second]
name=Second server
command=/usr/X11R6/bin/X1 :1 -deferglyphs 16 -xf86config /etc/X11/XF86Config-4.[your card] vt17
flexible=true
..............................
And here, the exact definition of the command line for starting the X server, very similar to the definitions in /etc/X11/xdm/Xservers (the definition of [server-Second] is the additional one).

If you use a single XFree configuration file: 

..............................
# Definition of the standard X server.
[server-Standard]
name=Standard server
command=/usr/X11R6/bin/X0 :0 -layout first-Xserver -deferglyphs 16 -ac vt7
flexible=true

[server-Second]
name=Second server
command=/usr/X11R6/bin/X1 :1 -layout second-Xserver -deferglyphs 16 vt17
flexible=true
..............................

Note Note
 

Under older versions of Backstreet Ruby (released before 7. Oct 2003) each console is represented by 8 tty's, so you should use:

..............................
name=Standard server
command=/usr/X11R6/bin/X0 :0 -deferglyphs 16 -ac vt7
..............................
name=Second server
command=/usr/X11R6/bin/X1 :1 -deferglyphs 16 -xf86config /etc/X11/XF86Config-4.[your card] vt9
..............................

If you use a single XFree configuration file:

..............................
name=Standard server
command=/usr/X11R6/bin/X0 :0 -layout first-Xserver -deferglyphs 16 -ac vt7
......
name=Second server
command=/usr/X11R6/bin/X1 :1 -layout second-Xserver -deferglyphs 16 vt9
..............................

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