Passwordless ssh[ssh tunneling]

ssh-keygen -d

[hit enter three times]

[Replacing "username" and "ipaddress" with yours,

copy&paste/type:]

ssh username@ipaddress 'test -d .ssh || mkdir -m 0700 .ssh ;

cat >> .ssh/authorized_keys && chmod 0600 .ssh/*' < ~/.ssh/id_dsa.pub