Linux/Unix System Administration Certificate Series — This course series targets both beginning and intermediate Linux/Unix users who want to acquire advanced system administration skills, and to back those skills up with a Certificate from the University of Illinois Office of Continuing Education.

"One of the best things I could have ever done for my career and self-fulfillment. Thank you O'Reilly for making online learning accessible and flexible!" -- Dawna

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When Times Get Tough, the Tough Get Tuning: Improve the Performance of Your Linux Systems

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Tom Adelstein works as a technical analyst writer for a large international publishing company. He became a young author by accident in 1985 and has written prolifically ever since.

Niel Bornstein is a Senior Architect for Novell's Systems and Resource Management Business Unit specializing in data center automation.

Federico Lucifredi is the maintainer of the man suite, the primary documentation-delivery tool under Linux, a graduate of Boston College and Harvard University, and a software engineer-turned-manager at the Novell corporation.

Tom Geudens joined the IT department of Colruyt, a Belgian retailer specialized in 'Lowest Price' and doing this through automation.

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