2010/7/27 Armando M. Baratti <ambaratti.lis...@gmail.com>:
> Em 26-07-2010 22:02, Javier Adrián Ortiz de la Tabla escreveu:
>>>
>>> How do you get around this:
>>>
>>> gdm:x:120:120:Gnome Display Manager:/var/lib/gdm:/sbin/nologin
>>>
[...]
>
> It's enough to do (no need to change the shell):
> # su -m gdm
> $ dbus.....

untested, but i think you could also use su gdm -c, so:
su gdm -c "dbus-launch gnome-appearance-properties"

HTH

mvg,
    Guus

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