Does anyone have a set up to make XDMCP work with LightDM on 11.10. Using XDMCP+GDM was easy as pie, worked great. After the upgrade to 11.10 with the switch to LightDM I can't figure out how to get it to work. Where is the documentation that explains the custom lightdm.conf file?

Any help appreciated...

1 Answer

To enable the XDMCP server in LightDM edit /etc/lightdm/lightdm.conf and add the following section:

[XDMCPServer]
enabled=true

Then restart LightDM with sudo restart lightdm from a text console (logout from any graphical sessions first).

You can set the XDM-AUTHENTICATION-1 key by setting key=value (value is in the same format as is used in the X -cookie option). If the key is not set then no authentication is used.

You can change the UDP/IP port by setting port=1234.

All the available LightDM settings are shown in the example configuration in /usr/share/doc/lightdm/lightdm.conf.

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