Login screen user list

[Tom H]

>> "sudo gconf-editor" and changing the "disable_user_list" to true modifies
>> /root/.gconf/apps/gdm/simple-greeter/%gconf.xml
>
> That's because using sudo with no '-u' argument runs the command as
> root, and '/root' is root's home directory.
>
>> when the file that controls the user list is
>> /var/lib/gdm/.gconf/apps/gdm/simple-greeter/%gconf.xml
>
> And '/var/lib/gdm' is user gdm's home directory.

Of course. It is surprising (to me anyway) that you have to be gdm and
not root to change that setting.