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How do I disable the guest session in Ubuntu 11.10 or higher?

15 May

Method 1:-

Open terminal using shortcut Key “ctrl+alt+t”. Type this in the terminal.

gksudo gedit /etc/lightdm/lightdm.conf

You will see the following:

[SeatDefaults]
greeter-session=unity-greeter
user-session=ubuntu

Add allow-guest=false to the end so your final result should look like:

[SeatDefaults]
greeter-session=unity-greeter
user-session=ubuntu
allow-guest=false

Save the document and quit the text editor.

Back in the Terminal, restart the display manager. (This will end the graphical login session, immediately quitting all programs running in it, so make sure your work–like any open documents–is saved first!

sudo restart lightdm

With the graphical login session ended, you’re returned to the login screen, where you’ll notice that guest account is disabled.

That’s it the guest account is no longer usable.


Simplest method.

Just run this (once) at terminal:

sudo /usr/lib/lightdm/lightdm-set-defaults -l false

You will no longer have ‘Guest’ as login option, on your next login.

  • This simply appends allow-guest=false to /etc/lightdm/lightdm.conf.
  • Confirm works on Ubuntu 12.04; should work for 11.10 and upwards (since those versions use LightDM as well).

To undo (restore Guest option):

sudo /usr/lib/lightdm/lightdm-set-defaults -l true


Method 2:-

Ubuntu Tweak is an application to config Ubuntu easier for everyone. It provides many useful desktop and system options that the default desktop environment doesn’t provide with its help, you will enjoy with the experience of Ubuntu!

Install ubuntu-tweak, get to the tweak tab, turn off the guest button and reboot. That’s it!

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Posted by on May 15, 2013 in Ubuntu

 

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