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Magic SysRq Key

linuxhowtos.org — Linux is very stable, but sometimes a kernel panic could happen, sometimes this stops the X-server and you cant change to the console. What should be done? Hitting the reset button and risk filesystem integrity? Luckily, there's the Magic SysRq Key that can save your valuable data in case of a system crash.

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  • solarwind24, on 08/03/2008, -0/+2Now before any fanboy says otherwise, let me state that Linux CAN become unstable. I'm not saying it's the kernel's fault, but some root level apps such as modules (such as wireless drivers (madwifi) for example), can cause the system to become unstable. This happened to me before. Luckily, I was able to save my data and cleanly reboot with the Alt+SysRq+R, E, I, S, U, B procedure.

    See here for more info: http://en.wikipedia.org/wiki/Magic_SysRq_key
  • Ziraku, on 08/03/2008, -0/+0Alt+SysRq+R, E, I, S, U, B?
    So easy even a child could do it!

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