The GDM login screen in Ubuntu Karmic displays the user list by default, which is considered a security risk by many people.
If you wish to hide this user list, and manually enter your username, run the following command in a terminal:
If you wish to hide this user list, and manually enter your username, run the following command in a terminal:
sudo -u gdm gconftool-2 --set --type boolean /apps/gdm/simple-greeter/disable_user_list true
