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

By Michael W. Lucas

retail quality

The definitive consultant to OpenBSD

Foreword via Henning Brauer, OpenBSD PF Developer

OpenBSD, the stylish, hugely safe Unix-like working process, is generic because the foundation for severe DNS servers, routers, firewalls, and extra. This long-awaited moment version of Absolute OpenBSD keeps writer Michael Lucas's trademark common and useful procedure that readers have loved for years. You'll examine the intricacies of the platform, the technical information at 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 procedure, safety features like W^X and ProPolice, and complicated networking techniques.

You'll learn the way to:
* deal with community site visitors with VLANs, trunks, IPv6, and the PF packet filter
* Make software program administration fast and potent utilizing the ports and applications system
* supply clients purely the entry they wish with teams, sudo, and chroots
* Configure OpenBSD's safe implementations of SNMP, DHCP, NTP, sensors, and more
* customise the set up and improve tactics on your community and undefined, or construct a customized OpenBSD release

Whether you're a brand new person searching for a whole creation to OpenBSD or an skilled sysadmin trying to find a refresher, Absolute OpenBSD, 2d Edition offers you every little thing you must grasp the intricacies of the world's safest working system.

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

-Theo de Raadt, OpenBSD Founder

Show description

Read or Download Absolute OpenBSD: UNIX for the Practical Paranoid (2nd Edition) PDF

Best unix books

Command Line Kung Fu: Bash Scripting Tricks, Linux Shell Programming Tips, and Bash One-Liners

Turn into a Linux Ninja with Command Line Kung Fu! Do you think that you might want to lock your self in a basement analyzing cryptic guy pages for months on result in order to have ninja like command line abilities? in truth, should you had anyone proportion their strongest command line suggestions, tips, and styles you'd keep your self loads of time and frustration.

GCC.The complete reference

This is often the definitive connection with the GCC open-source compiler. Get up to date details at the most recent features--including compiling Java code, construction purposes utilizing a number of languages, utilizing the debugger, linking, libraries, and lots more and plenty extra.

DB2 9 for Linux, UNIX, and Windows : DBA guide, reference, and exam prep

DB2® nine builds at the world's no 1 firm database to simplify the supply of knowledge as a carrier, speed up improvement, and dramatically enhance operational potency, safety, and resiliency. Now, this re-creation bargains entire, start-to-finish insurance of DB2 nine management and improvement for Linux®, UNIX®, and home windows® structures, in addition to authoritative coaching for the most recent IBM DB2 certification examination.

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

Example text

Lst file is to copy an existing entry. 16 root=/dev/sda2 vga=0x0305 The line starting with the word title defines a new kernel entry, so this file contains two entries. 11733 Page 33 Friday, December 1, 2006 10:00 AM Then, add the block to the end of the file, and edit the version number to contain the version number of the new kernel you just installed. The title does not matter, so long as it is unique, but it is displayed in the boot menu, so you should make it something meaningful. 11 root=/dev/sda2 vga=0x0305 After you save the file, reboot the system and ensure that the new kernel image’s title comes up in the boot menu.

Do not be concerned about this, as some devices do not have kernel drivers that will work for them. Determining the Correct Module from Scratch Sometimes you do not have the option of getting a distribution kernel working on a machine in order to determine what kernel modules are needed to drive the hardware.

11888 Page 35 Friday, December 1, 2006 10:02 AM Chapter 6Upgrading a Kernel 6 Upgrading a Kernel Inevitably it happens: you have a custom-built kernel, working just wonderfully except for one little thing that you know is fixed in the latest release from the kernel developers. Or a security problem is found, and a new stable kernel release is made public. Either way, you are faced with the issue of upgrading the kernel and you do not want to lose all the time and effort that went into making that perfect kernel configuration.

Download PDF sample

Rated 4.37 of 5 – based on 19 votes