Disable guest login-entry on lightdm (Ubuntu’s login manager)
Ubuntu's login manager, lightdm, offers a guest login option by default. Most of you won't use it anyway, so why keep it at all? You can disable that entry in the lightdm configuration file, which is /etc/lightdm/lightdm.conf. Open it from a terminal using sudo gedit /etc/lightdm/lightdm.conf At the bottom of the file, insert following line: ... Read more
