Unix terminal commands

unix-commands

#!/bin/bash

! # Start a history substitution
!$ # Refer to the last argument in a line
!string	# Refer to the most recent command starting with string

# example
echo !$

# Network
curl
traceroute
iptraf
netstat
# /etc/network/interfaces

# Text manipulation
sed
awk
uniq
wc
split
tee
head
less
tail
# regular expressions: . (match any single char), a|z (match a or z), $ (match end of string), *

# require boot loader password
grub-md5-crypt # encrypt a password
gedit /boot/grub/grub.conf # and add the following line with the password from grub-md5-crypt
# password --md5 $1$Wnvo.1$qz781HRVG4jUnJXmdSCZ30 <-- password