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Enable Ctrl+Alt+Backspace Again

Ctrl+Alt+Backspace Disabled

As stated in the Ubuntu 9.04 release notes, Ctrl-Alt-Backspace key combination to restart Xorg is disabled.

Ctrl-Alt-Backspace disabled by default in Xorg

The Ctrl-Alt-Backspace key combination to force a restart of X is now disabled by default, to eliminate the problem of accidentally triggering the key combination. Users who do want this function can enable it in their xorg.conf, or by running the command dontzap --disable.

Enable Ctrl+Alt+Backspace Again

Ubuntu Linux 9.10 Karmic Koala

This part is added on the 23rd of November in 2009 as in the 9.10 version, enabling Ctrl+Alt+Backspace is different from doing it in the 9.04 version.
If you are using Ubuntu Linux 9.04 Jaunty Jackalope, please scroll down to skip this part then you can find one for Jaunty Jackalope.

* System -> Preferences -> Keyboard

* System -> Preferences -> Keyboard


* System -> Preferences -> Keyboard

Select the 'Layouts' tab -> Click the 'Layout Options' button

Select the 'Layouts' tab -> Click the 'Layout Options' button


* Select the ‘Layouts’ tab -> Click the ‘Layout Options’ button

Click the 'Key sequence to kill the X server' to expand it -> Check the 'Control + Alt + Backspace' option -> Click the 'Close' button

Click the 'Key sequence to kill the X server' to expand it -> Check the 'Control + Alt + Backspace' option -> Click the 'Close' button


* Click the ‘Key sequence to kill the X server’ to expand it -> Check the ‘Control + Alt + Backspace’ option -> Click the ‘Close’ button

Done!!!

Ubuntu Linux 9.04 Jaunty Jackalope

* Open the /etc/X11/xorg.conf file and add

* Or simply use dontzap.
* If it is not installed already,

* Use the dontzap command to enable Ctrl+Alt+Backspace

This acually adds

to the /etc/X11/xorg.conf file.

* After it is done, make sure to log out & in for the change to take effect.

* To enable the “DontZap” option again,

* More information about the DontZap option.

http://www.x.org/archive/X11R6.8.0/doc/xorg.conf.5.html#sect4

This disallows the use of the Ctrl+Alt+Backspace sequence. That sequence is normally used to terminate the Xorg server. When this option is enabled, that key sequence has no special meaning and is passed to clients. Default: off.

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4 Comments

  1. Has this recently broken? It worked briefly for me and now no matter what I do, I can’t get zapping back.

  2. Great post! I’ll subscribe right now wth my feedreader software!

  3. Thanks, just what I was looking for.

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