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Minos
Asked: 2015-01-22 03:02:34 +0800 CST

Why is custom shortcut Ctrl+Alt+Delete special and not working?

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This question is pretty much a duplicate of this question. However I'm starting this question, because all the answers in the other question seem to focus on how to setup a custom shortcut for gnome-system-monitor, while the actual question is why does it not work?

That is I make a custom shortcut to launch gnome-system-monitor. I make sure that the System Log out is disabled (which is ctrl+alt+del by default). When I bind the gnome-system-monitor shortcut to anything else (say ctrl+alt+[), everything is fine and the system monitor starts.

But nothing happens when I assign it to Ctrl+Alt+Delete.

This is in Ubuntu 14.04 and I now this shortcut worked in previous versions.

shortcut-keys

1 Answers

  1. Best Answer

    Try setting it using Compiz, after disabling it from System Settings → Keyboard → Shortcuts tab:

    1. Install ccsm

      sudo apt-get install compizconfig-settings-manager

    2. Run it and enable Commands plugin

    3. Set it the command in Commands tab & shortcut in Key Bindings tab

      compiz set command shortcut - 1

      compiz set command shortcut - 2

    Actually, setting custom shortcut from System Setting works too for me. Custom shortcuts are handled by media-keys plugin from unity-settings-daemon try reinstall it:

    sudo apt-get install --reinstall unity-settings-daemon
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