wiki.laukas.lt

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
https://www.phusionpassenger.com/documentation/Users%20guide%20Nginx.html