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
Understanding the Linux Virtual Memory Manager Mel Gorman
PHP 5 Power Programming Andi Gutmans, Stig Bakken, and Derick Rethans
Implementing CIFS: The Common Internet File System Christopher Hertel
Open Source Security Tools: A Practical Guide to Security Applications Tony Howlett
Embedded Software Development with eCos Anthony Massa
Rapid Application Development with Mozilla Nigel McFarlane
The Linux Development Platform: Configuring, Using, and Maintaining a Complete Programming Environment Rafeeq Ur Rehman and Christopher Paul
Intrusion Detection with SNORT: Advanced IDS Techniques Using SNORT, Apache, MySQL, PHP, and ACID Rafeeq Ur Rehman
The Official Samba-3 HOWTO and Reference Guide John H. Terpstra and Jelmer R. Vernooij, Editors
Samba-3 by Example: Practical Exercises to Successful Deployment John H. Terpstra