To create a new user on your Ubuntu server, open your terminal and execute the command 'sudo adduser [user_name]' replacing [user_name] with the desired username.
To assign superuser privileges to the new user, run the command 'sudo usermod -aG sudo [user_name]' replacing [user_name] with the username you created.
Creating a new user and granting them superuser privileges on Ubuntu server is essential for administrative tasks.
Ensure you choose a strong password during the user creation process to maintain server security.