Filesystem for a shutdown-by-pulling-the-plug machine
dk at uw.no
Mon Aug 9 05:25:04 PDT 2004
On 08/08/04 09:54, cedric typed onto the keyboard:
> It does. I use ext3 already, and my guess is i can just run sync, and then the
> poweroff function in the kernel. I know i can acces that one by
> alt-sysreq-<a letter> but how can i access hat from s script?
You can write a character to /proc/sysrq-trigger, and the kernel will
behave as if you pressed SysRq-<character>
echo "character" > /proc/sysrq-trigger
echo h > /proc/sysrq-trigger
The output will show up in syslog.
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