CODE EXAMPLE FOR SHELL

how to save ssh keygen How to add ssh keys to a specific user in linux?

ssh-keygen (press enter / do not enter any passwords)

ssh-keyscan hpc.university.edu > known_hosts (press enter)

ssh-copy-id yourname@hpc.university.edu ( press Enter) you might need some password to go through university VPN in this case , you can enter them )