Bash Idioms: Write Powerful, Flexible, Readable Shell Scripts
Carl Albing & J P Vossen
Cross-Site Scripting Attacks: Classification, Attack, and Countermeasures
B. B. Gupta and Pooja Chaudhary
Linux Networking Cookbook
Carla Schroder
Quick Start Guide to Penetration Testing
Sagar Rahalkar
Burp Suite Cookbook
Sunny Wear
Mastering Linux Network Administration
Jay LaCroix
The Complete Metasploit Guide
Offensive Shellcode from Scratch
Rishalin Pillay
Mastering Linux Administration
Alexandru Calcatinge & Julian Balog