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I would like to enable the Control + Alt + Backspace sequence to kill the X server, plus other sequences, without editing any files, if possible (or at least, no system files).

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  • Check this post on re-enabling Ctrl-Alt-Backspace. Commented Jun 24, 2015 at 18:41
  • @AbelCheung : Thanks, but that would be a system-wide setting. I want a customization for one user.
    – Eleno
    Commented Jun 24, 2015 at 21:04

1 Answer 1

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You can re-enable Ctrl+Alt+Bksp on a per-user basis by adding the option

terminate:ctrl_alt_bksp

to gnome xkb-options via gsettings or dconf-editor.
The easiest way is with dconf-editor - go to org > gnome > desktop > input-sources and add terminate:ctrl_alt_bksp to the xkb-options, e.g

enter image description here

With gsettings it's a bit more complicated. You'll have to get the existing options (if any) with:

gsettings get org.gnome.desktop.input-sources xkb-options

If the output is @as [] that means there's no option set so you can simply run:

gsettings set org.gnome.desktop.input-sources xkb-options "['terminate:ctrl_alt_bksp']"

otherwise you'll have to rewrite the whole array of values + the new value, e.g.:

gsettings set org.gnome.desktop.input-sources xkb-options "['ctrl:nocaps', 'terminate:ctrl_alt_bksp']"

As I said in my other post, values are delimited by comma+space.

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