On Sun, 07 Feb 2010 18:55:31 -0500, Tom H wrote:

>> However, to change the GDM theme to something else requires a different
>> set of steps, since in 8.04 there's actually a tool to accomplish what
>> I described earlier (was under System > Administration > Login
>> Screen... but has since been drastically cut down). I think the new
>> tool to manage the GDM screen is going to be in the next revision of
>> Gnome. (maybe in time for 10.04? who knows...)
>
> The reason for your procedure is that since 9.10, the login screen and
> the xauth cookie are owned by gdm (the user gdm) and the only time that
> you can launch a gui tool owned by gdm is at the login screen.
>
> Previously (9.04 and earlier), you could make these changes by launching
> the login screen tool with gksudo while logged in as an admin user.
>
> I have just tried alt-f2 and both gksu -u gdm gnome-control-center and
> gksudo -u gdm gnome-control-center on lucid and neither of them worked.
> :(

"gksudo -u gdm dbus-launch <app name>" is the magic syntax. Running apps
as gdm is probably a bad idea, though.

--
sktsee


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