CUDS #3 Change GDM Appearance
, 05 Nov, 2010
Speaking of GDM: With some tiny terminal commands it is very easy to change the wallpaper of the login manager using the common graphical user interface. Lets make your startup more individual!
Once upon a time …
It used to be easy as pie to start the
gnome-appearance-properties with the prefix
sudo -u gdm and
dbus-launch and to apply the changes that way. Nowadays we receive an error message trying:
$ sudo -u gdm dbus-launch gnome-appearance-properties gnome-appearance-properties:4409): Gtk-WARNING **: cannot open display: :0.0 No protocol specified
In even former times there was an option in the GDM settings dialog. But God knows why it was removed, so its a bit harder now. Or is it?
The reason for the error since Ubuntu 10.10 Maverick is that the user gdm is not allowed to start X applications anymore. So let us give him our OK for that:
Now we change the current console/terminal user:
sudo su -lp gdm
and start our well-known appearance tool:
By editing the settings as usual, we can change things like the wallpaper, design and the fonts.
By the way, I use this nice wallpaper.
- This method to raises warnings and errors in the terminal window but this is normal for an graphical program not developed for a console start.
- Due to possible rights problems it is a good idea to copy your favorite pictures to
- If the Accessibility Icon appears in your panel, you can make it disappear by typing
gconftool-2 -s /desktop/gnome/accessibility/keyboard/enable -t bool false