conf-lowres
flexible=false
Then specify that configuration for one of your displays:
[servers]
0=Standard
1=Standard
2=Standard
3=LowRes
GDM automatically adds an argument to the X server command to specify the display
to be used.
2.8 Starting Additional X Servers on Demand
Using a Display Manager
Recent versions of both GDM and KDM are capable of starting additional X servers
on demand. This is useful when you occasionally want to use multiple X servers but
2.8
34 Chapter 2: Starting a Local X Server
don??™t want the extra overhead when a single X server only is in use. The GNOME
developers call these additional servers flexible servers; the KDE folks call them
reserve servers.
Starting Additional X Servers Using gdmflexiserver
The GDM display manager provides a command-line utility, gdmflexiserver, which
communicates with a running gdm process and instructs it to start a new X server.
Assuming that you have flexible=true in at least one of your GDM server configurations
(Section 2.6)??”which is the default??”the GNOME menu contains a New Login
option on the System group. If you??™re not running GNOME, don??™t have a New Login
option on the menu. If you prefer to use a shell prompt, simply run gdmflexiserver:
$ gdmflexiserver
If more than one X server is already active, you will be given the option of switching
to an existing session or starting a new one; otherwise, a new X server will be started
and a new session login prompt will appear automatically.
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