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I would like to bind volume up/down to Ctrl+Alt++ and -, but AFAIK the X server catches those key combinations and uses them for resolution change.

Now when I press Ctrl+Alt++ or -, nothing happens, and Gnome doesn't receive the keypresses either. How can I make these keys work for volume up/down?

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closed as too localized by Luis Alvarado Mar 14 '13 at 16:06

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