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About the Author
Thomas Uphill is a system administrator and IT instructor.
He teaches Puppet at conferences such as LOPSA-East (for the League of Professional System Administrators), Cascada, and PuppetConf. He has been a system administrator for over 20 years, working primarily with Red Hat systems; he is currently a Red Hat Certified Architect (RHCA). When not running the Puppet User Group of Seattle (PUGS), he volunteers for the LOPSA board and his local LOPSA chapter, SASAG. He blogs at http://ramblings.narrabilis.com.