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Down Boy! (Kill processes by Port)

f1lt3r profile image Alistair MacDonald ・1 min read

Need to kill processes by port? Try this...

Cute dog

Setup

Save this bash script as downboy to your bin directory:

#!/bin/bash
for PORT in $@
do
    PID=$(lsof -i :$PORT | awk 'FNR ==2 {print $2}')
    echo "kill -9 $PID"
    kill -9 $PID
done

Make downboy executable:

chmod +X ./downboy

Usage

Now you can easily close any number of processes by their port:

sudo downboy 80 8080 3000

Bye-bye.

Discussion

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mlennox profile image
Mark Lennox

Will save a lot of ps -ef | grep on my machine - I needed this, thanks!

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Thomas H Jones II

Back in the mists of time, I recall that either the IRIX or Solaris implementation of fuser had the ability to kill processes by port.