I would like something similar that can be used for any VPS. So if I get a box from Linode or Rackspace, for example (or even a real server), is there an easy w

I would like something similar that can be used for any VPS. So if I get a box from Linode or Rackspace, for example (or even a real server), is there an easy way to have ngnix+passenger+git+backups etc setup and configured in a secure way without having to manually do it all myself?