In article <3B554C81.80AF3A8E@taormina-ol.it>,
	Franco Tassone <tfranco@taormina-ol.it> writes:
> My box still executes xdm, so what should I do to start gdm instead of
> xdm ?

You don't need to. Just create a ".xsession" file like this one in
your home directory.

#!/bin/sh
exec gnome-session

Don't forget to make it executable with "chmod 755 .xsession".

> Unfortunatelly no login prompt appears, although gdmlogin appears to be
> running, just green background and nothing else.

You have to copy "/usr/X11R6/etc/gdm/gdm.conf.default" to
"/usr/X11R6/etc/gdm/gdm.conf" and customize it.

	Kind regards

-- 
Matthias Scheler                                  http://scheler.de/~matthias/