What is Guest Session:-The Ubuntu Guest Session feature provides a convenient way, with a high level of security, to lend your computer to someone else. A guest cannot view the home folders of other users, and by default any saved data or changed settings will be removed/reset at logout. It means that each session starts with a fresh environment, unaffected by what previous guests did.
Want to disable the guest account from showing up on the logon screen? Ubuntu 12.04 comes with a guest account that can be used by guests to access the system.
First open terminal (Ctrl+Alt+T)
and than type this command on the terminal sudo gedit /etc/lightdm/lightdm.conf
now give system password and press enter.
You will get Text editor in that you will see this lines
now you add this line allow-guest=false
at the bottom of the file like this
now save the file and restart
after restart you will see there is no Guest Session on the logon screen.
Want to Enable Guest Session:- go to Terminal and type this command sudo gedit /etc/lightdm/lightdm.conf
after opening Text editor you will see this lines
just remove allow-guest=false line on that file and save that file.
Now restart the system, you will see Guest Session on the logon screen
Allu John Sudhakar
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