Use Capistrano 3 to Deploy Rails Applications - a Step-by-Step Tutorial
Aug 15, 14 by Juan Lebrijo about capistrano, deployment, ssh, thin, ruby on rails, Ubuntu, blog
Another collaboration with Tealeaf Academy was about how to use the brand new Capistrano 3 to deploy your applications; a basic guide:

Use Capistrano 3 to Deploy Rails Applications - a Step-by-Step Tutorial

Enjoy!