Remove Guest Login Option on Ubuntu 14.04 & 16.04 LTS

posted May 9, 2014, 8:56 AM by Andrew Chadick   [ updated Apr 22, 2016, 9:18 AM ]

Just press Ctrl+Alt+T on your keyboard to open Terminal. 

When it opens, run these commands:

sudo pico /usr/share/lightdm/lightdm.conf.d/50-ubuntu.conf

Add this line, save and close.


Reboot your PC, and the guest option will be gone.