Change user name and group name via ssh
1) Enable root login
sudo passwd root
2) exit, and re-ssh to the computer but login as root
3) usermod -l login-name old-name
- move user dir cd /home mv old-name new-name
5) edit /ect/passwd to change the path of the user's home dir
6) Change groupname
groupmod -n new_group_name old_group_name
7) exit, and re-ssh as the new-name, test if everything works
8) disable root account:
sudo passwd -dl root
