Public Key Authentication

Client == Where you are sitting
Server == What you're trying to connect to
Client needs a DSA pair generated: ssh-keygen -q -t dsa
copy the .pub file to the SERVER, into ~/.ssh/authorized_keys
~/.ssh/authorized_keys must have NO group or other permissions
authorized keys may have MANY public keys in it
.... to passphrase or not to passphrase, that is the question...