Ctrl-alt-backspace

[Colin Law]

On 7 January 2012 17:22, Avi Greenbury <lists at avi.co> wrote:
> Doug wrote:
>
>>   but if you can't get there, then ctrl-alt-bs should work.  If
>> Ubuntu has removed that, they have screwed up yet again!
>
> Ubuntu didn't remove it, X11 did upstream. Which sort-of hints at one
> of its major problems - it was implemented in X11. When X11 is hung, you
> don't want to be reliant upon an X11 feature to restart it. I know,
> yes, it's still very useful because the subset of problems in which it
> does work are also among the most common.
>
> But, in any case, you can use one the magic sysrq key combinations to
> restart X:
>
> ctrl+alt+sysrq+k
>
> Will kill anything on your current TTY which, generally, is X11. And
> when X11 is killed like that, it starts itself again.

The problem I find with that is that you need a good aim with the nose
to hit the K key.

Colin