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Re: [vox] Demo today
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Re: [vox] Demo today

hi doug,

check out /usr/src/linux-2.4.20/Documentation/sysrq.txt

it's very short.  basically, you make the kernel:

1. flush buffers ("sync disks")
2. remount all partitions as read-only
3. reboot

print screen == sysrq

alt-sysrq-s    flush
alt-sysrq-u    remount partitions as read-only
alt-sysrq-b    reboot

you can actually send TERM and KILL to all processes.   this is the kind
of thing you should really read about before using.   it's short and
well written.


begin R. Douglas Barbieri <doug@dooglio.net> 
> Okay, so explain to me the magic sysreq keys... :-) I experience lockups
> sometimes when I'm trying to start up Win4Lin. It hoses my machine so
> badly that Ctrl-Alt-Backspace won't even kill X (and Ctrl-Alt-Fn doesn't
> even work. I have to hard restart when that happens).
> On Sat, Mar 15, 2003 at 09:38:11PM -0800, Bill Kendrick wrote:
> > 
> > Today's Linux demo was pretty successful.  Mike showed up (a bit late ;^) )
> > with the Demo machine.  Before that, I just had the flyers set up, and
> > a couple of kids came by, and I gave them Tux Paint CDs. :^)
> > 
> > When the computer showed up, we started getting many more visitors.
> > Questions ranged from "I use Linux at work, and the other day it /completely/
> > locked up!" (Mike explained magic sysreq keys) to "Why would I want Linux?"
> > (I said "for the good of humanity"; she really digged that answer, and
> > stuck around and talked for a long time)
> > 
> > Towards the latter half, Jeff Newmiller came by and set up his laptop,
> > so we had one desktop, one laptop, and one PDA (which didn't get too much use).
> > 
> > 
> > We worked on getting Apache configured to show off the LUGOD.org website,
> > demo'd Tux Paint a lot, and played a little with getting OCR software to
> > work (in response to someone's complaint about Windows).
> > 
> > 
> > Henry - we should set one up for April or May!
> > 
> > -- 
> > bill@newbreedsoftware.com                                            Hire me!
> > http://newbreedsoftware.com/bill/    http://newbreedsoftware.com/bill/resume/
> > _______________________________________________
> > vox mailing list
> > vox@lists.lugod.org
> > http://lists.lugod.org/mailman/listinfo/vox
> -- 
> R. Douglas Barbieri
> doug@dooglio.net
> http://www.dooglio.net
> GPG Fingerprint : FE6A 6A57 2B95 7594 E534  BFEE 45F1 9E5E F30A 8A27
> MIT.edu recv-key: F6368A3D
> GPG Public key  : http://www.dooglio.net/dooglio.asc

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