In addition to Kali Linux, Offensive Security also maintains the Exploit Database and the free online course, Metasploit Unleashed.

There are a variety of different ways to install Kali Linux, choosing the best one for your situation can make the process much easier. Here is a rundown of the possibilities.

Penetration testers must master Kali’s varied library of tools to be effective at their work. The Kali Linux Penetration Testing Bible is the hands-on and methodology guide for pentesting with Kali.

While supplies last! >> Kali Linux - An Ethical Hacker's Cookbook, 2nd Edition ($44.99 Value) - free download Offered by Packt Publishing, view their other free resources. Expires 01/21/20.

An eventual Kali Linux 2.1 would simply be a snapshot of the current software available, which 2.0 users would already have upgraded to.