|
334
|
1 |
-*- mode: outline; coding: utf-8 -*-
|
|
|
2 |
|
|
|
3 |
* SysRq.
|
|
|
4 |
|
|
|
5 |
x86: ALT-SysRq-<command key>
|
|
|
6 |
SPARC: ALT-STOP-<command key>
|
|
|
7 |
PPC: ALT - Print Screen (or F13) - <command key>
|
|
|
8 |
|
|
|
9 |
'b' - reboot
|
|
|
10 |
'p' - dump the current registers and flags to your console
|
|
|
11 |
'r' - take control of keyboard back from X
|
|
|
12 |
'e' - send SIGTERM to all processes, except for init
|
|
|
13 |
'i' - send SIGKILL to all processes, except for init
|
|
|
14 |
's' - attempt to sync all mounted filesystems
|
|
|
15 |
'u' - remount all filesystems read-only
|
|
|
16 |
|
|
|
17 |
$ echo 0 > /proc/sys/kernel/sysrq # disable
|
|
|
18 |
$ echo 1 > /proc/sys/kernel/sysrq # enable
|
|
|
19 |
|
|
|
20 |
http://www.kernel.org/doc/Documentation/sysrq.txt
|
|
|
21 |
Linux Magic System Request Key Hacks
|