SSH

Passwordless SSH

1. Generate an id_rsa.pub file

   ssh-keygen -t rsa

2. Copy public key to remote server

   cat ~/.ssh/id_rsa.pub | ssh user@machine "mkdir -p ~/.ssh; cat >> .ssh/authorized_keys"

Regenerate SSH Server Keys (debian)

rm /etc/ssh/ssh_host_*
dpkg-reconfigure openssh-server