bashoneliners.com

Welcome to bashoneliners.com, a curated collection of practical and well-explained Bash one-liners, snippets, tips and tricks. We aim to make each published one-liner to be of high quality: useful, easy to read, follows best practices, with clear, detailed, accurate explanation. These one-liners should help you automate tasks, troubleshoot problems, whether it be in system administration, file management, networking or programming.

List open processes ordered by it's number of open files

ps -ef |awk '{ print $2 }' \ 	|tail -n +2 \ 	|while read pid; do echo "$pid	$(lsof -p $pid |wc -l)"; done \ 	|sort -r -n -k 2 \ 	|while read pid count; do echo "$pid	$count	$(ps -o command= -p $pid)"; done

August 22, 2018cddr

Kill a process running on port 8080

lsof -i :8080 | awk '{l=$2} END {print l}' | xargs kill

June 15, 2018jamestomasino

Kill a process running on port 8080

lsof -i :8080 | awk 'NR > 1 {print $2}' | xargs --no-run-if-empty kill

September 1, 2017bashoneliners

Kill a process running on port 8080

lsof -i :8080 | awk '{print $2}' | tail -n 1 | xargs kill

August 18, 2017kimbethwel

Show the 10 largest open files

lsof / | awk '$7 > 1048576 { print $7 / 1048576 "MB", $9, $1 }' | sort -nu | tail

February 28, 2014cellojoe

Get streamed FLV from Chrome with lsof

export psid=$(pgrep -f libflashplayer.so); cp /proc/$psid/fd/$(lsof -p $psid | grep eleted | awk {' print $4 '} | sed -e "s/[a-z]//g") saved.flv

May 11, 2013GNA

List open files

lsof -n

March 2, 2012bashoneliners