Re: [PATCH] Slightly safer Magic SysRq

Guest section DW (dwguest@win.tue.nl)
Wed, 13 Oct 1999 22:56:02 +0200 (MET DST)


Guest section DW writes ("Re: [PATCH] Slightly safer Magic SysRq"):
> (ii) The reason SysRq exists is that people want to use the keyboard in some
> emergency cases, when something went very wrong. It is a human interface,
> not a software interface.

It's at least two interfaces. There's the "Something went wrong" keys,
which covers most of them, and there's the Secure Attention Key.

No, SAK has nothing to do with SysRq. I mean: without SysRq you also have SAK.

SAK (or an equivalent mechanism) is important for guaranteeing that
you have a genuine login prompt - it shouldn't be on such an obscure
key combination; it has a completely different purpose from the other
SysRq keys.

But you can change the key combination for SAK using loadkeys.

Andries

# loadkeys
shift keycode 2 = SAK
^D

will make ! the SAK key.

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