Ever gotten this nasty message when attempting to use the ssh-agent plugin with capistrano?: ** [deploy:update_code] exception while rolling back: Capistrano::ConnectionError, connection failed for: staging43 (Net::SSH::Authentication::AgentError: unknown response from agent: 30, "\x00\x00\x00\x01\x1E") This means that: jenkins’ implementation of ssh-agent is running on the host attempting to conn