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Absolute OpenBSD is a straightforward, practical and complete guide to mastering this powerful and complex operating system. Developed with the support of the OpenBSD community, this book takes you through the intricacies of the platform and teaches you how to manage every aspect of your system.
Would you recommend the product? yes | Price you paid?: None indicated | Rating: 8
Goes places where other general OS books don't
The how-to aspects not as good as they could be
I bought this book as a general guide to OpenBSD. It is targeted as someone with a reasonable Unix knowledge, so no beginners.
To get a flavour of the book, look at how much space it gives to each area : lots on installation and configuration; three excellent chapters on using pf for firewalls and a good coverage of OpenBSDs security features.
The book is well written and clear. In reading it I improved my understanding of firewalls and neworking in general as well as OpenBSD in particular.
However, there are some curious lapses in places when I've come to use it as a how-to. For example, the networking section goes into great detail to explain subnets, interfaces and the rest of it but the section "Configuring Interfaces" doesn't actually say how to configure an interface - it gives general information about interfaces and ifconfig but not how to configure one. Of course, with the resources in the book and elsewhere I can track down this sort of information without too much difficulty but it is still an odd ommission, and I suspect there are quite a few others waiting for me to find them.