What's the best way to kill a process in Linux (or Mac)?
Ok, I lied, it's actually probably not the best way. There are probably better ways to u...
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In modern linuxes, you have access to
pkill -signal <pattern>. Taking your example this would be:pkill -9 manage.pyYou have the ability to limit by user with
-u usernameYou can kill the oldest process of
patternwith-oand newest with-n.One VERY nice option is
-fto only match the full commandline. This is great for automated scripts in places where people like adding things to common names.If you just want the list of process ids, then you have
pgrep.If you're stuck using an older shell, you may not have access to the
$( )subshell. You can be bourne compatible with backticks, but nesting becomes an issue.Another old unix trick is xargs. Some people find this more natural. You pipe the list to
xargs commandso something like this:ps aux | grep pattern | grep -v grep | awk '{ print $2 }' | xargs kill -9The
grep -v grepis another way to avoid the grep process instead of relying on shell to interpret the braces away. This has pros and cons, but you may find it useful.I use
killallfor that :()Heh, that probably is a better option. I did mention that this probably is not the best way to do it, but it's still a nice story to tell with some grep & awk tricks.
Or, if you use the fish shell, just type
killand press<tab>to list and select the desired process.Bunch of heartless killers, let them grow! They just want to feel warmth of the CPU and fill their void with memory leaks.