Absolute OpenBSD: UNIX for the Practical Paranoid, 2nd edition

  • 10h 27m
  • Michael W. Lucas
  • No Starch Press
  • 2013

OpenBSD, the elegant, highly secure Unix-like operating system, is widely used as the basis for critical DNS servers, routers, firewalls, and more. This long-awaited second edition of Absolute OpenBSD maintains author Michael Lucas's trademark straightforward and practical approach that readers have enjoyed for years. You'll learn the intricacies of the platform, the technical details behind certain design decisions, and best practices, with bits of humor sprinkled throughout. This edition has been completely updated for OpenBSD 5.3, including new coverage of OpenBSD's boot system, security features like W^X and ProPolice, and advanced networking techniques.

You'll learn how to:

  • Manage network traffic with VLANs, trunks, IPv6, and the PF packet filter
  • Make software management quick and effective using the ports and packages system
  • Give users only the access they need with groups, sudo, and chroots
  • Configure OpenBSD's secure implementations of SNMP, DHCP, NTP, hardware sensors, and more
  • Customize the installation and upgrade processes for your network and hardware, or build a custom OpenBSD release

Whether you're a new user looking for a complete introduction to OpenBSD or an experienced sysadmin looking for a refresher, Absolute OpenBSD, 2nd Edition will give you everything you need to master the intricacies of the world's most secure operating system.

About the Author

Michael W. Lucas is a network/security engineer who keeps getting stuck with network problems nobody else wants to touch. He is the author of the critically acclaimed Absolute FreeBSD, Absolute OpenBSD, Network Flow Analysis, Cisco Routers for the Desperate, and PGP & GPG, all from No Starch Press.

In this Book

  • Absolute OpenBSD—Unix for the Practical Paranoid, 2nd Edition
  • Getting Additional Help
  • Installation Preparations
  • Installation Walk-Through
  • Post-Install Setup
  • The Boot Process
  • User Management
  • Root, and How to Avoid It
  • Disks and Filesystems
  • More Filesystems
  • Securing Your System
  • Overview of TCP/IP
  • Connecting to the Network
  • Software Management
  • Everything /etc
  • System Maintenance
  • Network Servers
  • Desktop OpenBSD
  • Kernel Configuration
  • Building Custom Kernels
  • Upgrading
  • Packet Filtering
  • Advanced PF
  • Customizing OpenBSD
  • Afterword


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