[LightDM] Using LightDM as a headless XDMCP server without physical graphics card

Robert Ancell robert.ancell at gmail.com
Tue Feb 28 16:03:03 PST 2012

Hi Jeffery,

Sorry for the late reply

Glad to hear XDMCP is working well!

I think you just need to add the following to /etc/lightdm/lightdm.conf:


This will stop the default X server from being started.


On 13 February 2012 20:11, Jeffrey Langerak <j.langerak at me.com> wrote:
> Hi,
> I'm currently testing the XDMCP functionality of LightDM which seems to work
> flawless, however, there is one issue which I cannot resolve:
> The machine I am using for my setup is a dedicated machine running some
> VM's, these VM's don't have any graphics card associated and run headless
> and the only form of command is via a web interface or SSH.
> LightDM seems to use the /dev/fb0 device as graphics card, but that does not
> exists on a VM.
> My queston is, how can I use LightDM to run as a headless XDMCP server
> without the need of a physical present graphics card? The configuration docs
> did not shed any light on this usage.
> Thanks in advance!
> Kind regards,
> Jeffrey Langerak
> _______________________________________________
> LightDM mailing list
> LightDM at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/lightdm

More information about the LightDM mailing list