Nasser Heidari

2009-02-16

Linux Force Reboot and shutdown

Filed under: Linux — Nasser Heidari @ 09:42
Force Reboot :
#echo 1 > /proc/sys/kernel/sysrq
#echo b > /proc/sysrq-trigger
If you want to force shutdown machine try this.
#echo 1 > /proc/sys/kernel/sysrq
#echo o > /proc/sysrq-trigger
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12 Comments »

  1. Great! Thanks!

    Darko

    Comment by Darko — 2009-04-23 @ 08:06

  2. Thanks a lot

    This really helped me out. I was remotely connected to a server with some blocked processes, and this was the only way to reboot the server.

    Per

    Comment by Per — 2009-05-17 @ 08:00

  3. Hi,

    great work. Sometimes the only way if reboot or shutdown fails.

    Comment by Some Dude — 2009-09-21 @ 15:42

  4. Great!
    You very help me!

    Comment by girlax — 2010-06-25 @ 00:20

  5. نجاتم داد این دستور ! مرسی !

    Comment by saeed — 2010-08-16 @ 01:27

  6. Thanks for that

    Comment by tim — 2010-11-09 @ 12:47

  7. Helped me out a lot of times with some kvm hangs.

    Comment by André — 2011-02-25 @ 19:55

  8. I dont think the above will work if the file system is read-only (eg corrupt HDD). In this case the command would be:

    reboot -n -f

    Comment by Brian — 2011-07-06 @ 05:04

  9. Wow, thank you! This worked on Debian 5 64bit! It rebooted my server even when it was hosed.

    Comment by Zach — 2011-07-17 @ 03:08

  10. Thanks a lot! This is exactly what i need right now.

    Comment by Iyan — 2011-08-05 @ 20:00

  11. @Brian There is no way it will fail because of a file system hangup. The kernel tells the processor to reboot directly. It reboots so hard that it doesn’t even send back the newline once you press .

    Comment by 1111 — 2011-12-10 @ 12:44

  12. Thanks a lot !!! ;)

    Comment by Regis Vaz — 2013-12-07 @ 05:47


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