Messages in this thread | | | Date | Sat, 15 Oct 2005 07:29:58 -0700 | From | Marc Perkel <> | Subject | Re: Forcing an immediate reboot |
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Anton Altaparmakov wrote:
>On Fri, 14 Oct 2005, Lee Revell wrote: > > >>On Fri, 2005-10-14 at 18:46 -0700, Marc Perkel wrote: >> >> >>>Is there any way to force an immediate reboot as if to push the reset >>>button in software? Got a remote server that i need to reboot and >>>shutdown isn't working. >>> >>> >>If it has Oopsed, and the "reboot" command does not work, then all bets >>are off - kernel memory has probably been corrupted. >> >>Get one of those powerstrips that you can telnet into and power cycle >>things remotely. >> >> > >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... > > > > This worked great. If I had this last night it would probably have saved me a trip to San Jose. I especially like that it does the file system syncs. I've put it in a script I call "coldboot" and it is now one of my tools.
Very useful.
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