Disable guest account in Ubuntu 12.04

  Guest account is enabled in Ubuntu 12.04 by default so that anyone can log in with guest account without a password.Below steps will...

 

Guest account is enabled in Ubuntu 12.04 by default so that anyone can log in with guest account without a password.Below steps will show you how to disable guest account in Ubuntu 12.04(LightDM)

1.Open a terminal by pressing Ctl+Alt+t or searching “terminal” from Dash

2.Open file /etc/lightdm/lightdm.conf using below command in terminal

sudo gedit /etc/lightdm/lightdm.conf

3.Append below line the this file ,then click Save and exit

allow-guest=false

4.Restart service lightdm using below command from your terminal

sudo service lightdm restart

Note:All your running GUI applications will be closed
5.You are done,guest account is disabled.You will not see Guest Session on log-in screen now.