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$ ps aux | grep ruby user 1565 3.7 0.1 4307464 17696 s000 S+ 7:31AM 0:00.61 /Users/user/.rbenv/versions/2.3.1/bin/ruby bin/rails c user 1579 0.0 0.0 4268020 788 s001 S+ 7:31AM 0:00.00 grep ruby user 1489 0.0 0.0 0 0 ?? Z 7:29AM 0:00.00 (ruby)

How do I quickly kill all these processes?

What I tried:

kill -9 `ps aux | grep ruby`

My environment:

$ bash --version GNU bash, version 3.2.57(1)-release (x86_64-apple-darwin18) Copyright (C) 2007 Free Software Foundation, Inc. $ uname -a Darwin MacBook-Pro.local 18.0.0 Darwin Kernel Version 18.0.0: Wed Aug 22 20:13:40 PDT 2018; root:xnu-4903.201.2~1/RELEASE_X86_64 x86_64 $
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  • 1
    pkill might be the command you're looking for. Commented Nov 20, 2018 at 15:42

3 Answers 3

Reset to default
3

As Haxiel commented, my recommendation would be to use pkill:

pkill -9 ruby
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5
  • -9 is it required? Commented Nov 20, 2018 at 18:09
  • 1
    Nope; the OP gave that as the example that they wanted. Commented Nov 20, 2018 at 18:10
  • I'm upvoting your answer. Mine works as well but yours is cleaner and less tedious. I'm aware of the pkill command but I use kill out of habit and didn't want to give misinformation as I didn't have a computer to test at the time. Commented Nov 20, 2018 at 19:52
  • I don't have an OSX system at hand, either, but I'm encouraged by the existence of the corresponding man page. Commented Nov 20, 2018 at 19:56
  • short n sweet ! Commented Nov 26, 2018 at 15:15
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kill $(ps aux | grep ruby | grep -v grep | awk '{print $2}' | xargs)

for p in $(ps aux | grep ruby | grep -v grep | awk '{print $2}'); do kill $p; done

You can substitute kill9 for kill if necessary.

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-1

I Tried with below command

ps -eaf | grep -i ruby| grep -iv 'grep'| awk '{print "kill -9" " " $2}'| sh
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3
  • awk can grep as well as execute system commands, which would remove three of the pipeline commands Commented Nov 20, 2018 at 17:57
  • I Added only awk method Commented Nov 20, 2018 at 18:09
  • ps -eaf | grep -i ssh| awk '$(NF-2) !~/grep/{print "kill -9" " " $2}'| sh Commented Nov 20, 2018 at 18:09

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