http://www.phptr.com/perens
Java™ Application Development on Linux®
Carl Albing and Michael Schwarz
C++ GUI Programming with Qt 3
Jasmin Blanchette and Mark Summerfield
Managing Linux Systems with Webmin: System Administration and Module Development
Jamie Cameron
The Linux Book
David Elboth
Understanding the Linux Virtual Memory Manager
Mel Gorman
PHP 5 Power Programming
Andi Gutmans, Stig Bakken, and Derick Rethans
Linux® Quick Fix Notebook
Peter Harrison
Linux Desk Reference, Second Edition
Scott Hawkins
Implementing CIFS: The Common Internet File System
Christopher Hertel
Open Source Security Tools: A Practical Guide to Security Applications
Tony Howlett
Apache Jakarta CommonsReusable Java™ Components
Will Iverson
Embedded Software Development with eCos
Anthony Massa
Rapid Application Development with Mozilla
Nigel McFarlane
Subversion Version Control: Using the Subversion Version Control System in Development Projects
William Nagel
Linux Assembly Language Programming
Bob Neveln
Intrusion Detection with SNORT: Advanced IDS Techniques Using SNORT, Apache, MySQL, PHP, and ACID
Rafeeq Ur Rehman
Cross-Platform GUI Programming with wxWidgets
Julian Smart and Kevin Hock with Stefan Csomor
Samba-3 by Example: Practical Exercises to Successful Deployment
John H. Terpstra
The Official Samba-3 HOWTO and Reference Guide
John H. Terpstra and Jelmer R. Vernooij, Editors
Real World Linux Security, Second Edition
Bob Toxen