Re: [Plug] magic SysRq key is cool

["Nick R" <laktar@hotmail.com>]

Well, you convinced me, I'm gonna vote yes on prop 204, er, say "yes" to 
Kernel hacking/Magic SysRq (CONFIG_MAGIC_SYSRQ) when configuring my kernel.

Just one question. Will these key combinations work while in X when 
ctrl-mod-bksp won't?

       -Laktar, a.k.a. Nick Rosen, laktar.dyndns.org


If I Ever Became An Evil Overlord:
28. My pet monster will be kept in a secure cage from which it cannot escape
and into which I could not accidentally stumble.
       -- Peter's Evil Overlord List, 
http://www.eviloverlord.com/lists/overlord.html

> From: Darxus <darxus@op.net>
> Reply-To: plug@lists.nothinbut.net
> To: plug@lists.nothinbut.net
> Subject: [Plug] magic SysRq key is cool
> Date: Sun, 24 Oct 1999 18:38:03 -0400 (EDT)
>
>
> Say "yes" to Kernel hacking/Magic SysRq (CONFIG_MAGIC_SYSRQ) when
> configuring your kernel, then, once you boot off that kernel, you can do
> neat stuff, like...
>
> (the SysRq key is the same as the Print Screen key)
>
> if X locks -- alt-SysRq-r to regain control of your keyboard by taking it
> out of Raw mode (haven't tried this one yet)
>
> alt-SysRq-k to kill everthing on your current virtual terminal
>
> If your whole machine hangs, do
>
>  alt-SysRq-s (sync)
>  alt-SysRq-u (unmount)
>  alt-SysRq-b (boot)
>
> To reboot, rather than hitting reset/power & possibly causing dataloss --
> this should also keep your machine from feeling a need to fsck during
> bootup after the crash.
>
> If you're getting crazy amounts of kernel error messages scrolling by so
> fast you can't see what you're doing, do ctrl-SysRq-0 (error logging level
> 0).
>
>
> These usages are basically from the documentation (in the linux source
> directory/Documentation/sysrq.txt).
>
> I've been wondering how to use this for a while, and am now irratated that
> nobody gave me this quick answer, and instead everything says go read the
> documentation.
>
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