ssh-copy-id

Install your public key in a remote machine's authorized_keys.

Copy your keys to the remote machine:

ssh-copy-id {{username@remote_host}}

Copy the given public key to the remote:

ssh-copy-id -i {{path/to/certificate}} {{username}}@{{remote_host}}

Copy the given public key to the remote with specific port:

ssh-copy-id -i {{path/to/certificate}} -p {{port}} {{username}}@{{remote_host}}