How to disable break key on console?

Otto J. Makela otto at tukki.jyu.fi
Sun Feb 10 03:45:42 AEST 1991


In article <1991Feb7.032051.281 at ccs.carleton.ca> mikey at ccs.carleton.ca (Mike McFaul) writes:
   In article <1991Feb6.195059.18763 at cbnews.att.com> wv at cbnews.cb.att.com (william.e.duncan) writes:
   >We've got a couple of 4/280's with dumb terminals as
   >consoles. Is there any way to disable the break key
   >so it won't bring the system down to the boot prompt?

   Well it depends on how much you value your 'dumb' terminal. We have a
   VC404 on our sun server and I riped the break key right off the keyboard.
   Well that wasn't enough, our operators kept reaching into the keyboard to
   hit that break key. Finally I put a plastic cover over it and taped it down
   -- you have to lift it to hit break. Take it from me a sign on the keyboard
   saying "don't touch" invariably causes people to hit it.

However, this doesn't help very much.  Just try powering the terminal off.
You'll send something resembling a break down the serial line -> the Sun is
in debug mode (I once was stuck with my finger holding the terminal power
switch down after I realized I'd goofed -- then a quick double-stab to power
the terminal up again and G-return; the system didn't even notice it had been
in debug mode :-)

Software suggestions, anyone ?
--
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