Wiki

= Add user to group =

usermod -aG group user

= To change just the username: =

usermod -l new_username old_username

= To change the username and home directory name: =

usermod -l new_username -m -d /new/home/dir old_username

= You may also want to change the name of the group associated with the user: =

groupmod -n new_username old_username