Add/Edit GDM Sessions
Each session is a *.desktop file located at /usr/share/xsessions.
GDM appearance You can change background image, gtk/icon theme by hands (as described at Gnome_2.28_Changes#Configuring_gdm_2.28), or you can use gdm2setup from the AUR.
Tweaking If your gnome applications seem sluggish and gnome hangs at start-up after killing the previous session, it’s likely you haven’t set your /etc/hosts file correctly and your /etc/hosts file includes:
127.0.0.1 localhost.localdomain localhost YOURHOSTNAME Then run “/bin/hostname YOURHOSTNAME” and “/sbin/ifconfig lo up” as root.
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