EC2 and Chef
http://probablyinteractive.com/2009/3/29/Amazon%20EC2%20+%20Chef%20=%20Mmmmm.html
One of the perceived downsides of EC2 is that the instances aren’t persistent. That’s where Chef comes in! Chef is like a little system admin robot… you tell it how you want your system configured and it will do all the dirty work on the server.
