Messages in this thread | | | Date | Sat, 15 Oct 2005 15:40:08 +0200 | From | Benoit Boissinot <> | Subject | Re: documentation? (i learned something today ;-) ) |
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On 10/15/05, Damir Perisa <damir.perisa@solnet.ch> wrote: > hi all, > > Le Saturday 15 October 2005 09:48, Anton Altaparmakov a écrit: > | If it has sysrq compiled in as root just do: > | > | echo s > /proc/sysrq-trigger > | echo u > /proc/sysre-trigger > | echo s > /proc/sysrq-trigger > | echo b > /proc/sysrq-trigger > | > | This will "sync", "umount/remount read-only", "sync", "immediate > | hardware reboot". Should always work... > > i'm impressed that i see that sysrq also works from procfs.... the > "PrintScreen/SysRq" button on my keyboard from time to time does not work > (old keyboard) and then it's pain hitting this key if you have to. > > great news that you can also pass sysrq requests using proc - i've learned > something today... is this documented somewhere? maybe i'm bad in > reading/finding docs but i think i'm not the only one here. can somebody > point me to the links of docs where all this magic is specified? if not, > i will try to start my own docs on how to use the linux kernel magic. > mainly a collection of tricks like this and similar ones. > > thank you in advance + greetings, > Damir
it is mentionned in Documentation/sysrq.txt
On all - write a character to /proc/sysrq-trigger. eg:
echo t > /proc/sysrq-trigger
regards,
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