Jonathan
Peter Jay Salzman wrote:
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begin Jonathan Stickel <[EMAIL PROTECTED]>
I was previously unaware of the magic sysreq keys. They do look useful, and I read the documentation as you suggest. From what I can tell, it is compiled in my kernel (CONFIG_MAGIC_SYSRQ=y), but I am wondering if it is disabled with the run-time command: "echo "0" > /proc/sys/kernel/sysrq", as suggested by the documentation. In fact, my /proc/sys/kernel/sysrq contains the single character "0". Where would I find this run time command? Can I just delete it or comment it out? Thanks,
Jonathan
have you tried to use sysreq and it didn't work?
pete
Peter Jay Salzman wrote:
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.
pete
begin R. Douglas Barbieri <[EMAIL PROTECTED]>
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!
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