I have a VPS Linux Server with this environment: "rvm + ror + ngixn + passenger + unicorn + capistrano".
How to move server environment to another server fast?
I found:
Who has experience with solving the problem? Can you explain how to move (to copy) the server environment better?
Along the same line as those listed is Chef by OpsCode. It's based on ruby and relies on recipes to implement what you want, where you want.