Recognized Linux expert John Terpstra and security evangelist and 25-year IT industry veteran, Roberta Bragg cut through the noise to show you how to bullet proof your system before you are hacked! No more "hack and patch!" Harden your Linux system before it is hacked. "Do this now, here's why, here's how and don't stop there!" Administrators and IT Pros have to do more with less. They don't want multiple choice/consequences. They want to know what to do now to protect their systems against malicious attacks. "Hacking Exposed Linux" shows how to test, hack, and find the security holes and fix them. "Hardening Linux" shows you how to secure your Linux system to work securely in the first place.