Ubuntu 9.04 Jaunty 32-bit server AMI taken from (http://alestic.com/): ami-0d729464
Useful guides:
- http://articles.slicehost.com/2009/1/6/ubuntu-intrepid-ruby-on-rails
- http://devblog.michaelgalero.com/2008/11/27/setting-up-your-ubuntu-server-for-merb/
See this guide for details about securing an EC2 instance: