Čia yra sena dokumento versija!
http://projects.theforeman.org/projects/foreman/wiki/Setting_up_Nginx_+_Passenger_
https://www.digitalocean.com/community/tutorials/getting-started-with-puppet-code-manifests-and-modules
https://www.digitalocean.com/community/tutorials/how-to-install-puppet-to-manage-your-server-infrastructure