$ su - Password: su: Authentication failure Enable super user account password on Ubuntu First, set a password for root user as shown below. $ sudo passwd root [sudo] password for user: Enter new UNIX password: Retype new UNIX password: passwd: password updated successfully
untuk memunculkanya buka terminal
sudo gedit /etc/lightdm/lightdm.conf
tambahkan baris
[SeatDefaults] greeter-show-manual-login=true
lalu save
