Learning Shell Scripting with Zsh
Gastón Festari
Mastering Linux Network Administration
Jay LaCroix
Burp Suite Cookbook
Sunny Wear
Cyber Security and Network Security
Sabyasachi Pramanik & Debabrata Samanta & M. Vinay & Abhijit Guha
Linux Advanced Routing and Traffic Control HOWTO
Gregory Maxwell & Remco Mook & Martijn Oosterhout & Paul Schroeder & Jasper Spaans & Bert Hubert