Useful linux commands

Useful commands

• Get procces id by port

lsof -i tcp:3690

or

netstat -nlp | grep 8080

• Find the largest 10 files (linux/bash)

find . -type f -print0 | xargs -0 du | sort -n | tail -10 | cut -f2 | xargs -I{} du -sh {}

• Find the largest 10 directories

find . -type d -print 0 | xargs -0 du | sort -n | tail -10 | cut -f2 | xargs -I{} du -sh {}

• Accept port

sudo iptables -I INPUT -p tcp --dport 5672 -j ACCEPT

• Get processor type

uname -m

• Delete all file avant la date défini

find . ! -newermt 2017-09-06 -exec rm -rf {} \;

Find list of extension in a tree

find . -type f

perl -ne ‘print $1 if m/.([^.\/]+)$/’

sort -u

Find by extension

find . -type f -name “.mp”