How to: Stop X.Org Server

by on November 13, 2007 · 7 comments· LAST UPDATED November 13, 2007

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Q. How do I start or stop X.Org from a command prompt?

A. is open-source implementation of the X11 system. It is an open source X11-based desktop infrastructure. Xorg provides an interface between your hardware and the graphical software you want to run. Besides that, Xorg is also fully network-aware, meaning you are able to run an application on one system while viewing it on a different one.

Start X.Org Server

There are two ways, just type startx:
$ startx
Alternatively, run init script such as /etc/init.d/gdm
# /etc/init.d/gdm start
$ sudo /etc/init.d/gdm start

Ctrl+Alt+Backspace - to stop server

Press Ctrl+Alt+Backspace to immediately kill the server - no questions asked.

Agian, you can use init script to stop session:
# /etc/init.d/gdm stop
$ sudo /etc/init.d/gdm stop

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{ 7 comments… read them below or add one }

1 Binny V A November 13, 2007 at 6:10 pm

Another method is to change the runlever…
init 3 – turn off X
init 5 – turn on X


2 d October 15, 2009 at 5:02 pm

didn’t work for ubuntu 9.04 at all !! could start but nit stop :-(
and neither did the runlevels changes using init


3 kablah December 17, 2010 at 4:40 am

Doesn’t work for kubuntu 10.10 either


4 linuxn00b February 10, 2011 at 5:56 am

For kubuntu, you would need to replace gdm with kdm, i believe


5 helps February 22, 2011 at 10:56 pm

this was disabled for several versions now, use this first:
setxkbmap -option terminate:ctrl_alt_bksp
then you can use the keystrokes


6 Bob March 20, 2011 at 4:39 am

Several reasons? I just want to turn off X so that I can run the Nividia script!! i don’t understand why this has to be so difficult.


7 Brian September 13, 2011 at 3:33 pm

Setting init 3 (after hitting CTRL+ALT+F2 at login screen) did it for me so I was able to install the drivers.


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