如何找到基于端口的进程并将其全部杀死？

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... | awk '{ print $4 }' | xargs kill -9

please test with "echo" instead of "kill" before running

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最佳答案

The problem with ps -efl | grep PORT_NUMBER is that PORT_NUMBER may match other columns in the output of ps as well (date, time, pid, ...). A potential killing spree if run by root!

I would do this instead :

PORT_NUMBER=1234
lsof -i tcp:${PORT_NUMBER} | awk 'NR!=1 {print $2}' | xargs kill

Breakdown of command

(lsof -i tcp:${PORT_NUMBER}) -- list all processes that is listening on that tcp port
(awk 'NR!=1 {print $2}') -- ignore first line, print second column of each line
(xargs kill) -- pass on the results as an argument to kill. There may be several.

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Propose to use fuser command:

fuser -k -TERM -n tcp ${PORT_NUMBER}

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To kill all processes listening on a particular port, e.g. port 8864

kill -9 $ \`lsof -i:8864 -t\`

Replace 8864 by the port you want.

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kill $( lsof -i:6000 -t )

Or if you need permissions:

sudo kill $( sudo lsof -i:6000 -t )

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1.) lsof -w -n -i tcp:8080

2.) kill -9 processId

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sudo fuser -k 8080/tcp

An easy one to remember.

This syntax is probably much more recent than the date of the question!