LihgtDM
===============
Edit /etc/lightdm/lightdm.conf
Enter following line to [SeatDefaults] Selection:-
greeter-hide-users=true
# vi /etc/lightdm/lightdm.conf
[SeatDefaults]
greeter-session=unity-greeter
user-session=ubuntu
greeter-hide-users=true
allow-guest=false
#
GDM
=============
$ sudo gconftool-2 /apps/gdm/simple-greeter/disable_user_list --config-source xml:readwrite:/etc/gconf/gconf.xml.defaults --set --type=boolean true
Disable User List 10.04
---------------------------------------------
$ sudo -u gdm gconftool-2 --set --type boolean /apps/gdm/simple-greeter/disable_user_list true
===============
Edit /etc/lightdm/lightdm.conf
Enter following line to [SeatDefaults] Selection:-
greeter-hide-users=true
# vi /etc/lightdm/lightdm.conf
[SeatDefaults]
greeter-session=unity-greeter
user-session=ubuntu
greeter-hide-users=true
allow-guest=false
#
GDM
=============
$ sudo gconftool-2 /apps/gdm/simple-greeter/disable_user_list --config-source xml:readwrite:/etc/gconf/gconf.xml.defaults --set --type=boolean true
Disable User List 10.04
---------------------------------------------
$ sudo -u gdm gconftool-2 --set --type boolean /apps/gdm/simple-greeter/disable_user_list true