We need an SSH key pair for secure passwordless access to the server. These steps are to be performed on a client machine such as a desktop or laptop and NOT on the server.
Setup a new user. Some services that provide servers install the operating system for you preventing you from creating a user at installation. In this case you will need to perform some additional steps.
Add a new user. adduser {USER}
Add the new user to the sudo group. gpasswd -a {USER} sudo