Warning: The following instructions worked for me however may brick your server. Please find a professional network admin to play around with a live/production server. If something bad happens I am not to blame, you have been warned!
Login as root
Create a new user
Add the user to root
under this line root ALL=(ALL) ALL add
bobsmith ALL=(ALL) ALL
sudo nano /etc/ssh/sshd_config
Find and change the following line to
service restart ssh
You should not be able to login as root anymore.