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How to kill a process in Linux if kill -9 has no effect

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linux-howto

http://serverfault.com – I imagine that kill -9 still just sends a signal to a process. If the process is not behaving well, I would imagine that kill -9 would have no effect. Indeed, today for the first time I saw kill -9 have no effect when sent to a stuck ruby process. So here is my question: Is there some harsher way to kill a process? (HowTos)

dayu's picture
Submitted by dayu on 12/15/2012 – Made popular on 12/15/2012

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Test case:

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Hi

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I don't know if it's the reason of your error, but ctrl+z only halts the process, it doesn't kill it. find the process `ps aux | grep cp` and kill it `kill - 9 [pid]`.