Thomas Limoncelli

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Tom is an internationally recognized author, speaker, system administrator, and DevOps advocate. His latest book, the 3rd edition of The Practice of System and Network Administration, launched last month. He is also known for The Practice of Cloud System Administration, and Time Management for System Administrators (O'Reilly). He works in New York City at He's previously worked at Google, Bell Labs/Lucent, AT&T, and others. His blog is and he tweets @YesThatTom. He lives in New Jersey.