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Last active May 15, 2019 10:49
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ssh-remote-hard-reset.md

Remote hard reset via ssh

Sometimes, reboot or shutdown -r now, don’t work anymore.

echo s > /proc/sysrq-trigger &&
echo u > /proc/sysrq-trigger &&
echo s > /proc/sysrq-trigger &&
echo b > /proc/sysrq-trigger

It'll do:

  • emergency sync of the block devices
  • mount readonly of all filesystems
  • again a sync
  • force an immediate boot; you can also use o for poweroff.

More info:

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