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Absolute OpenBSD: Unix for the Practical Paranoid
This straightforward, practical, and complete guide to mastering the powerful and complex OpenBSD operating system, is for the experienced UNIX user who wants to add OpenBSD to his or her repertoire. The author assumes a knowledge of basic UNIX commands, design, and permissions. The book takes you through the intricacies of the platform and teaches how to manage your system, offering friendly explanations, background information, troubleshooting suggestions, and copious examples throughout.
528 pages, Paperback
First published June 1, 2003
About the author
Michael W. Lucas
48 books79 followersMichael W. Lucas is the author of fifty-odd critically-acclaimed nonfiction books. As Michael Warren Lucas, he's written several novels.
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Community Reviews
Displaying 1 - 13 of 13 reviews
August 26, 2015
Books about OpenBSD are scarce. If there has to be only one, this is a fairly good choice. A good overview of the system as well as a fair introduction to UNIX. Not for the novice use however, the book assumes familiarity with basic concepts.
November 5, 2018
My only complaint is that it doesn't automatically update content with each release of OpenBSD. The man pages do, at least.
December 12, 2024
An entertaining book meant to introduce the experienced sysadmin to the OpenBSD community. The advice on how to best interact with the community seems to be: just avoid it, if you can. The general parts are interesting for anyone curious about operating systems (history of BSD, OpenBSD philosophy, TCP/IP architecture etc.), even more than you'd expect (Theo de Raadt's role hasn't changed much, CVS is still in use, traditional init is still there etc.). However many of the sections about specific programs are naturally out of date, so I've only skimmed them quickly and I can't tell how good they are/were. Who knows, maybe OpenBSD users are still using PPP and the root password, ever rebelling to the coup by the "senior sysadmins" who relegated other users to the sudoers file.
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July 28, 2023Chapter 20 sonrasını şimdilik işime yaramadığı için okumadım. Kitap genel olarak OpenBSD'nin temel kurulumu, güvenlik, paket yönetimi, masaüstü kullanımı gibi konuları anlaşılır şekilde anlatıyor. OpenBSD'ye merakınız varsa ve okuyarak bir şeyleri öğrenmeyi seviyorsanız son basım 2015 olmasına rağmen güzel bilgiler var içerisinde.
May 16, 2020
This book secured Michael W. Lucas's position as my favorite technical writer.
Many of the reviews here mention the book as a great reference - which it is - but I'd like to add that it's also a great cover-to-cover read. Lucas has a very easy-to-read style with humor in exactly the right places.
Many of the reviews here mention the book as a great reference - which it is - but I'd like to add that it's also a great cover-to-cover read. Lucas has a very easy-to-read style with humor in exactly the right places.
July 9, 2023
I read this because I was curious about OpenBSD. What I found in the pages was a wealth of insight into how *nix type operating systems are architected and practical advice that exceeds the scope suggested by the title.
July 21, 2021
Excellent author easy to understand covering OpenBSD completely enough. I could understand sudoers(5) easier than the manual page and PF than the FAQ.
December 29, 2021
Mike makes droll subject matter entertaining, with none of the bloat of most technical books. A great writer.
March 14, 2022
Really a great book. Everything you need to completely master OpenBSD.
May 9, 2013
I found this book best serves as a reference when I tinker with OpenBSD. (As it currently stands, I guess OpenBSD is not quite for me, as the FreeBSD community does an excellent job being all things to almost all people. That said, OpenBSD is a great project and definitely teaches good security practices.)
Does seem funny how essentially OpenBSD says the ultimate authority are its manual (man) pages and even the site's install guide (written in a FAQ-style format) says that any conflict reverts back to the man page as the one truth. Needless to say part of the role of books such as this is to help grow the community and clout, which Lucas certainly seems to have found a niche (but hopefully growing!) audience with BSD software.
Does seem funny how essentially OpenBSD says the ultimate authority are its manual (man) pages and even the site's install guide (written in a FAQ-style format) says that any conflict reverts back to the man page as the one truth. Needless to say part of the role of books such as this is to help grow the community and clout, which Lucas certainly seems to have found a niche (but hopefully growing!) audience with BSD software.
June 6, 2013
As far as a technical book about an operating system, it's a great technical reference with plenty of explanation for the OpenBSD noob.
August 7, 2013
Excellent. As always Lucas is the standard other tech writers should aim for.
Displaying 1 - 13 of 13 reviews











