“Michael W. Lucas’s books are good enough to raise national productivity statistics. Every copy of OpenBSD should be bundled with this book.”

—RICHARD BEJTLICH, CSO OF MANDIANT, TAOSECURITY BLOGGER, AND AUTHOR OF THE PRACTICE OF NETWORK SECURITY MONITORING

“After 13 years of using OpenBSD, I learned something new and useful!”

—PETER HESSLER, OPENBSD JOURNAL (UNDEADLY.ORG)

“The OpenBSD world, myself included, has been waiting for an update to Absolute OpenBSD for years. Michael W. Lucas tackles OpenBSD topics in ways that are bound to inspire the learner and warm the hearts of Unix greybeards.”

—PETER N.M. HANSTEEN, AUTHOR OF THE BOOK OF PF

“Michael W. Lucas is a layperson’s tutor, sitting next to you in front of an OpenBSD box and working through the same issues the average sysadmin does.”

—GEORGE ROSAMOND, FOUNDING MEMBER OF THE NYC*BSD USER GROUP

“Whether you are an experienced OpenBSD user seeking a functional desk reference or a new OpenBSD user seeking to gain the knowledge necessary to become an expert, then Absolute OpenBSD is the book you have to have.”

—CHRIS SANDERS, AUTHOR OF PRACTICAL PACKET ANALYSIS

“The second edition of Absolute OpenBSD delivers an updated tour of OpenBSD with great attention to detail and zero hand-waving. Mr. Lucas and No Starch Press have once again demonstrated exemplary respect and loyalty to OpenBSD and the BSD community.”

—MICHAEL DEXTER, CALLFORTESTING.ORG