This book is a great collection of ideas, tricks, and skills that could be useful for Hackers. It's a unique extraction reference, summarizes a lot of research and experience in order to achieve your w00t in the shortest and smartest way. Rubyfu is where you'll find plug-n-hack code. Rubyfu is a book to use not only to read, it's where ruby goes evil.
Who should read this book?
Ideally, Hackers! Those who have enough experience to hack our world and have at least basics in the Ruby programming language. To get the best benefits of the book, open Rubyfu.net and pin its browser tab. Use the irb/pry interactive interpreter to run the code, or run it as a script. Enhance the code to fit your needs and yeah, tweet the code and its output to @Rubyfu to share it with our awesome community.
Github : https://github.com/rubyfu/RubyFu