Enable Xserver shortcut (Ctrl+Alt+Backspace) in Ubuntu 9.10 Karmic Koala

In Karmic the restart Xserver shortcut is disabled by default. Enable it thus:

  1. In the menu, go to System->Preferences->Keyboard (not Keyboard Shortcuts)

  2. Go to Layouts tab, click Layout options

  3. Expand “Key sequence to kill  the X server”. Check “Ctrl+Alt+Backspace”

  4. You're Done.