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

By Michael W. Lucas

ISBN-10: 1593274769

ISBN-13: 9781593274764

retail quality

The definitive consultant to OpenBSD

Foreword by way of Henning Brauer, OpenBSD PF Developer

OpenBSD, the dependent, hugely safe Unix-like working approach, is established because the foundation for serious DNS servers, routers, firewalls, and extra. This long-awaited moment version of Absolute OpenBSD continues writer Michael Lucas's trademark effortless and functional process that readers have loved for years. You'll examine the intricacies of the platform, the technical information in the back of yes layout judgements, and most sensible practices, with bits of humor sprinkled all through. This variation has been thoroughly up to date for OpenBSD 5.3, together with new insurance of OpenBSD's boot approach, safety features like W^X and ProPolice, and complicated 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 programs system
* supply clients in basic 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 strategies on your community and undefined, or construct a customized OpenBSD release

Whether you're a brand new person searching for a whole advent to OpenBSD or an skilled sysadmin searching for a refresher, Absolute OpenBSD, second Edition offers you every little thing you must grasp the intricacies of the world's safest working system.

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

-Theo de Raadt, OpenBSD Founder

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

Sample text

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? Performing a few extra searches with different keywords is much faster than composing a useful email, and there’s an excellent chance you’ll find the answer to your question.

Everyone got something out of the deal. The best-known software distributed under this plan was UNIX. Compared with modern operating systems, the original UNIX had a lot of problems. Thousands of students had access to its source code, however, and hundreds of teachers needed interesting projects for their students. If a program behaved oddly, or the operating system itself had a problem, the people who lived with the system had the tools and the motivation to fix it. Their efforts quickly improved UNIX and created many features we now take for granted.

OpenBSD specifically and deliberately does not. The OpenBSD community is not trying to be the most popular operating system—just the best at it what it does. The developers know exactly who their target market is: themselves. If you can use their work, that’s great. If not, go away until you can. The OpenBSD community generally expects newcomers to be advanced computer users. The members have written extensive OpenBSD documentation, and expect newcomers to be willing to read it. They’re not interested in coddling new Unix users and, if pressed, will say so—often bluntly and forcefully.

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


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