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I was using Ctrl+< as a shortcut to show Guake in 11.10. Now when I define the shortcut it recognizes the combination but when I try to use it it doesn't work. Instead, it recognizes < as being the shortcut.

This is happening in more than one computer.

Any ideas why?

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This seems not to be a problem of Unity/Ubuntu but of Guake - as you can set Ctrl+< as shortcut for other applications - which work. But I can repeat and confirm what you described for Guake. – Jakob May 25 '12 at 11:44
doesn't work for Gnome 3 as well – ibo.ezhe May 25 '12 at 19:03

There is a workaround described here:

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I have put this on their track as an issue:

In the meantime, I'd say you'll have to use some other shortcuts.

@edited by Postadelmaga: In the ticket page there is also a patch: I have downloaded 0.4.4 code and applied the patch and it work fine now

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That link is not working. 404 – Arul Apr 2 '15 at 4:01
yeah, 3 year passed. And Ubuntu 11.10 is not there anymore, is it? – ibo.ezhe Apr 4 '15 at 4:09

That happens because of a bug in new versions of guake and there's a workaround for that in gnome that is described in the wiki and it worked perfectly for me in Ubuntu 16.04:

Ctrl' keybind problem:

As of guake 0.4.2-7 there has been a noted bug affecting multiple users concerning the use of the Ctrl key to toggle Guake window visibility (i.e. users that setup Ctrl+Shift+z to open the guake console are able to open it by just pressing Shift+z, independent on whether Ctrl key has been pressed).

To solve the problem you should manually fix the value of the GConf key /apps/guake/keybindings/global/show_hide. Open a gconf-editor, navigate to apps > guake > keybindings > global > show_hide and replace <Primary> with <Control>.

If you don't have gconf-editor installed (it's not installed by default in newest versions of ubuntu) you just need to install it by searching for it in the "Ubuntu Software Center" or in terminal using this command:

sudo apt-get install gconf-editor


Edit: I know there's already an answer with the same link but I've added a way to install gconf-editor and this way if the link dies, the workaround stays.

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