Re: Where is the magic SysReq key?

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On Sun, 2023-04-02 at 03:03 +0930, Tim via users wrote:
> On Sat, 2023-04-01 at 18:10 +0100, Patrick O'Callaghan wrote:
> > I have a Logitech MX series wireless keyboard, and no keys are
> > labelled
> > as SysRq or PrtScr. Is there a way to configure a different
> > sequence
> > for the magic SysRq function? The man pages are not helpful.
> 
> Looking at a picture of the keyboard, it has keys in those positions.
> Does the keyboard produce anything else when they're pressed?
> 
xev shows events for most things. I'm not that concerned as I was
mainly asking a rhetorical question about the configurability or
otherwise of the SysRq key.

It turns out however that you can get the effect of SysRq by sending
magic commands to /proc/sysrq-trigger:

https://ngelinux.com/what-is-proc-sysrq-trigger-in-linux-and-how-to-use-sysrq-kernel-feature/

Of course that's only possible if you have access to at least a basic
shell, so probably not that useful if your DE has frozen.

poc
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