About the Authors

Richard Blum has worked in the IT industry for more than 20 years as both a systems and network administrator, and has published numerous Linux and open source books. He has administered UNIX, Linux, Novell, and Microsoft servers, as well as helped design and maintain a 3,500 user network utilizing Cisco switches and routers. He has used Linux servers and shell scripts to perform automated network monitoring, and has written shell scripts in most of the common Linux shell environments. Rich is an online instructor for an Introduction to Linux course that is used by colleges and universities across the U.S. When he's not being a computer nerd, Rich plays electric bass in a couple of different church worship bands, and enjoys spending time with his wife Barbara, and two daughters Katie Jane and Jessica.

Christine Bresnahan starting working with computers more than 25 years ago in the IT industry as a system administrator. Christine is currently an Adjunct Professor at Ivy Tech Community College in Indianapolis, Indiana, teaching Linux system administration, Linux security, and Windows security classes.

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