Build a Secure Logging Server with syslog-ng

A nice 2-part tutorial on how to build a secure logging server with syslog-ng and various other open source packages. From Enterprise Networking Planet:

Part 1

Part 2

Managing Linux system and application logging is important and a bit tricksy. You want to capture important information, not bales of noise. You need to be able to find what you want in your logs without making it your life's work. The venerable old syslogd has served nobly for many years, but it's not quite up to meeting more complex needs. For this we have the next-generation Linux logger, syslog-ng.