unix.cheatsheet.sh

whoami

ip addr show 
ip addr show eth0
hostname -i

#port forwarding  witn netcat
nc -lp 45678 | nc -lp 45679
nc $ip $port


chmod +x script.js

file -I pub_xre_internal_staging_TuneEvent-2.txt 
pub_xre_internal_staging_TuneEvent-2.txt: text/plain; charset=utf-8

iconv -f utf-8 -t ascii//TRANSLIT
split -l 200000 filename

#share a folder
pwd
mkdir share

apt-get update
apt-get install parallel
gnu parallel
| parallel -j400 --timeout 160 'bash ./1.sh {}'