Steps to Create a New Sudo User

Log in to your server as the root user.

add user

adduser username

Set and confirm the new user’s password at the prompt. A strong password is highly recommended!

Set password prompts:
Enter new UNIX password:
Retype new UNIX password:
passwd: password updated successfully

Use the usermod command to add the user to the sudo group.

usermod -aG sudo username

By default, on Ubuntu, members of the sudo group have sudo privileges.

Test sudo access on new user account