Change username login in Ubuntu Linux

	sudo bash
	old=oldusername
	new=newusername
	useradd -G sudo tempuser
	passwd tempuser
	usermod -l $new $old
	mv /home/$old /home/$new
	usermod -m -d /home/$new $new
	sudo groupmod -n $new $old
	sudo usermod -c "$new" $new

view raw Change username login in Ubuntu Linux hosted with ❤ by GitHub