Enable Restart X server in Ubuntu 9.10

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The Ctrl-Alt-Backspace key combination to force a restart of X is disabled by default in Karmic Koala, to eliminate the problem of accidentally triggering the key combination. However enabling it back is very simple.

Enabling Ctrl-Alt-Backspace for Ubuntu 9.10

  • Select “System”->”Preferences”->”Keyboard”
  • Select the “Layouts” tab and click on the “Layout Options” button.
  • Select “Key sequence to kill the X server” and enable “Control + Alt + Backspace”.

Enabling Ctrl-Alt-Backspace for Kubuntu 9.10

  • Click on the Application launcher and select “System Settings”
  • Click on “Regional & Language”.
  • Select “Keyboard Layout”.
  • Click on “Enable keyboard layouts” (in the Layout tab).
  • Select the “Advanced” tab. Then select “Key sequence to kill the X server” and enable “Control + Alt + Backspace”.

Screen Keyboard Preferences

Restart X Server

For Ubuntu 9.04 Jaunty Jackpole you can follow the following approach:

You might have to restart X server in case it stops responding. Ctrl-Alt-Backspace is used to restart the X server. By default, it is disabled in Jaunty Jackpole. To enable this feature, use the command

$ dontzap --disable

You can install it:

$ sudo apt-get install dontzap

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Meditating towards his "nerdvana", lifehacker is a teacher by the day and a nerdy blogger by the night. He lives to learn and yearns to learn living.

2 Comments on “Enable Restart X server in Ubuntu 9.10”

  • dammit wrote on 3 July, 2010, 3:48

    why do 5 websites say this, but the option isn’t there!

    Like or Dislike: Thumb up 0 Thumb down 0

    [Reply]

  • idisjunction wrote on 1 August, 2010, 18:42

    @dammit – It works fine for me. Perhaps you are using a different version of Ubuntu?

    Like or Dislike: Thumb up 0 Thumb down 0

    [Reply]

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