[ANN] Rubyfu, where rubyfu goes evil!

Hello everyone, I'd like to announce Rubyfu.net book, the first Ruby book
for hackers

Please,
- Visit the book: https://rubyfu.net
- Follow us on twitter: @Rubyfu
- Join telegram channel: @Rubyfu
- Tweet under hashtag: #Rubyfuby

The main goal is to bring more information security professionals to use
Ruby for building their applications and tools and join the awesomeness of
Ruby.

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*Senior Information Security Engineer OSCE, GWAPT, **CEH, **OSCP, **RHCE, *
*CCNA, **MCITP-EA*