[wellylug] Enabling XDMCP under Debian

Sam Cannell sam at plaz.net.nz
Tue May 4 09:54:42 NZST 2004

For xdm, edit the file /etc/X11/xdm/xdm-config

At the bottom is the following:

! SECURITY: do not listen for XDMCP or Chooser requests
! Comment out this line if you want to manage X terminals with xdm
DisplayManager.requestPort:    0

Comment out the last line, and /etc/init.d/xdm restart

You'll also need to edit /etc/X11/xdm/Xaccess and uncomment the
following line or lines:

*                                       #any host can get a login window
*               CHOOSER BROADCAST       #any indirect host can get a

The first allows terminals to get a login window and log into your Linux
PC.  You almost definitely want this.

The second will allow xdmcp terminals to get a chooser window with a
list of hosts from your xdmcp server.  If you don't want to use a
chooser window provided by the Linux PC, you can leave it commented out.

If you don't want to have a local X session running on the PC, you can
edit /etc/X11/xdm/Xservers and remove the line:

:0 local /usr/X11R6/bin/X vt7 -dpi 100 -nolisten tcp

If you remove that and restart XDM, your Linux PC will remain at the
console with no GUI running, but you'll still be able to connect X
terminals to it.

Hope this helps :)


-----Original Message-----
From: wellylug-admin at lists.naos.co.nz
[mailto:wellylug-admin at lists.naos.co.nz] On Behalf Of Jamie Dobbs
Sent: Tuesday, 4 May 2004 9:04
To: wellylug at lists.naos.co.nz
Subject: [wellylug] Enabling XDMCP under Debian

How do I do this? I want to be able to start Xsessions from my Laptop
(and hopefully soon my NCD Explora) but can't work out how to enable
Using xdm, but can change to another login manager if necessary.

[/Debian newbie question]

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