ssh without passwords local host ssh-keygen -t rsa cd .ssh vi id_rsa.pub (COPY SSH KEY) remote host ssh-keygen -t rsa cd .ssh touch authorized_keys chmod 600 authorized_keys vi authorized_keys (PASTE SSH KEY) see also http://www.debian.org/devel/passwordlessssh http://www.eng.cam.ac.uk/help/jpmg/ssh/authorized_keys_howto.html https://help.ubuntu.com/community/SSH/OpenSSH/Keys ed-k-l-x-ubuntu security ssh sysadmin