Introduction

Have you ever wondered what modifications a web or mail administrator makes to her servers? Maybe you're curious about what policies other administrators use to implement bandwidth control? How do busy administrators manage the log data from a server farm?

Perhaps you've contemplated using the Expect scripting language. However, there's a good chance you've never thought of using eesh, a totally undocumented but useful scripting utility.

This chapter also includes two hacks on the emergency repair process, as many users prefer to hope that they'll never need an emergency repair kit. Instead, learn to overcome your fear of the inevitable and master the art of repairing before the emergency.