Various puppet modules, written for ubuntu and may need cleanup for any 
other os.

- dynamic_dns - For ec2 instances, leverages amazon route53 and 
https://launchpad.net/cirrus to provide dynamic dns.
- ext_fsck - Turns off automatic fsck on ext partitions
- iptables - A simple iptables setup leveraging virtual resources so 
rules can be added for each service running on a box.
- sysctl - A definition for defining sysctl.conf entries
- tmpwatch - Uses virtual resources to define directories that need 
periodic cleanup.