Your sys admin should set you up, but here’s the nutshell showdown:
run ‘ssh-keygen’ in your home directory
You will be prompted for a couple of options, for enhancement security,
A .ssh directory will be created containing your public and private keys.
Send the .pub file generated to your sys admin to complete the process
on the server you are trying to connect.
After he give you the green light, you are ready to ssh to that server