How to enable CTRL+ALT+BACKSPACE

[Daniele Guerrieri]

And what do you think about enabling sysrq in sysctl.conf? i've done
it on my system,and when X freezes i just have to enter the rescue
mode with alt-print followed by R I , and init respawns gdm.

Daniele

2011/7/6, Bryn M. Reeves <bmr at redhat.com>:
> On 07/06/2011 05:29 PM, Tom Horsley wrote:
>> On Wed, 06 Jul 2011 17:16:46 +0100
>> Bryn M. Reeves wrote:
>>
>>> This should already be set up by the default
>>> 00-system-setup-keyboard.conf. This
>>> is the case on my system:
>>
>> That is apparently a recent change. I know for sure that Ctrl-Alt-Bksp
>> disappeared for a while in the default fedora config, but it does seem
>
> Heh - turns out my testing was broken :)
>
> The 00-system-setup-keyboard.conf change has been there all along in f15
> (timestamp on my system is back in April when I first installed this box
> from
> alpha and doesn't seem to have been updated since).
>
>> to be back in fedora 15 at least. Not sure when it reappeared as being
>> enabled by default, but if you google the fedora users list, you should
>> be able to find many outraged emails from when it first disappeared a
>> few releases ago. You can even find all the folks explaining why it
>
> Yep, I was there at the time.. adding the config option back in for users
> who
> wanted it just never seemed like such a big deal to me..
>
>> obviously should go away and it was always stupid to have it (which makes
>> me wonder why it came back :-).
>
> I assumed when I installed f15 alpha for the first time it was to make life
> easier testing gnome-shell - I had a few occasions when I needed it during
> alpha/beta and it was on by default.
>
> When Reindl first asked I assumed something had changed in post-GA f15 - I
> re-tested and it didn't seem to work - I added DontZap false, checked again
> and
> it was working.
>
> Problem is my testing was flawed - the first time I tried it (when it
> appeared
> not to work) I was using synergy from another machine. After restarting X
> with
> DontZap I tested from the physical keyboard.. It turns out that
> ctrl-alt-delete
> appears to get filtered out somewhere when it's coming from a remote synergy
> client.
>
> Reverting everything back to how it was originally and zap is definitely on
> by
> default in f15 (via XKB).
>
> Regards,
> Bryn.
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