Linux cheatsheet

TODO

• Add other if needed

Bash

Shotcut to use the Bash more effective

Shotcut	detail
Moving
Ctrl + a	Move to begin of line
Ctrl + e	Move to end of line
Ctrl + b	Move back one char
Ctrl + f	Move forward 1 char
Alt + B	skip one word backward
Alt + F	skip one word forward
Alt + D	Delete 1 word
Delete
Ctrl + d	delete the right part of cusor
Ctrl + h	delete the left part of cusor
Copy + Paste
Ctrl + u	cut the right part of cusor
Ctrl + k	cut the left part of cusor
Ctrl + k	paste
Screen
Ctrl + l	clear current screen
History
Ctrl + p	go back history
Ctrl + n	go next history
Ctrl + r	search history

Process

Shotcut	detail
ps aux	List processes
bg	List processes
fg	List processes
nohup ./script.sh 2>&1	tee output.log &	Run in bg + can logout + save output
nohup ./script.sh > /dev/null 2>&1 &	Run in bg + can logout + discard output

Networking

Shotcut	detail
ping ip/domain	ping command
traceroute ip/domain	tracerout
netstate	network’s data
ss	socket data
dig	nslookup
ip	ip command
ip neighbor	arp table
arp	arp table
tcpdump -i NIC	monitor NIC
iptables	rule for networking
nmap ip	show port status
ethtool -S NIC	check network data for NIC

There’s a useful list at link

Trick

Shotcut	detail
sudo !!	run last command with sudo
ctrl+x+e	open editor to run command
fc	edit command with editor
disown -a && exit	exit terminal + leave all process running

# tunnel with ssh
# local port 3337 -> remove host's 127.0.0.1 on port 6379
# very usefull when working with cloud
ssh -L 3337:127.0.0.1:6379 root@emkc.org -N

Performance tuning

Great list at linuxperf