Michael W. Lucas's Absolute OpenBSD: UNIX for the Practical Paranoid (2nd PDF

By Michael W. Lucas

ISBN-10: 1593274769

ISBN-13: 9781593274764

retail quality

The definitive advisor to OpenBSD

Foreword via Henning Brauer, OpenBSD PF Developer

OpenBSD, the dependent, hugely safe Unix-like working approach, is customary because the foundation for serious DNS servers, routers, firewalls, and extra. This long-awaited moment variation of Absolute OpenBSD keeps writer Michael Lucas's trademark uncomplicated and functional strategy that readers have loved for years. You'll research the intricacies of the platform, the technical information in the back of definite layout judgements, and most sensible practices, with bits of humor sprinkled all through. This version has been thoroughly up-to-date for OpenBSD 5.3, together with new assurance of OpenBSD's boot procedure, security measures like W^X and ProPolice, and complex networking techniques.

You'll find out how to:
* deal with community site visitors with VLANs, trunks, IPv6, and the PF packet filter
* Make software program administration quickly and potent utilizing the ports and applications system
* provide clients in simple terms the entry they wish with teams, sudo, and chroots
* Configure OpenBSD's safe implementations of SNMP, DHCP, NTP, sensors, and more
* customise the install and improve procedures to your community and undefined, or construct a customized OpenBSD release

Whether you're a brand new consumer searching for an entire creation to OpenBSD or an skilled sysadmin trying to find a refresher, Absolute OpenBSD, second Edition provide you with every little thing you must grasp the intricacies of the world's safest working system.

"The definitive e-book on OpenBSD will get a long-overdue refresh."

-Theo de Raadt, OpenBSD Founder

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Extra info for Absolute OpenBSD: UNIX for the Practical Paranoid (2nd Edition)

Example text

Most OpenBSD experts would conclude that the person asking the question simply isn’t ready to run OpenBSD. At best, the questioner will be ignored. At worst, some experienced OpenBSD person who wrote all this documentation will take offense at his hard work being so thoroughly discounted and flame the questioner badly enough that his monitor will need three months in the Mayo Clinic burn unit. Keep this in mind before you send an email. Have you really checked everywhere for an answer? Are there any other search terms you haven’t tried?

The web versions will let you compare two different man pages. org/) contains a lot of information—from administration, installation, and management to where to find hardware. The front page links you to a general discussion about OpenBSD’s goals and support, where you can get OpenBSD, available resources, and ways you can support OpenBSD. Project members keep the website updated. If you have an OpenBSD problem or question, check this website first. Getting Additional Help 7 Mirrors Many people across the world mirror the OpenBSD website.

Man Page Contents Manual authors try to arrange their content meaningfully, although meaningful varies depending on what it documents. A man page for a common 6 Chapter 1 user command will probably be much easier to understand than a man page for a kernel-programming interface. Even so, most man pages are divided into sections. Some of the common sections include the following: • • • • • NAME tells you the names of a program or utility. Some programs have multiple names; for example, the vi(1) text editor is also available as view(1) or ex(1).

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Absolute OpenBSD: UNIX for the Practical Paranoid (2nd Edition) by Michael W. Lucas

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