Getting Started From Scratch - GrayHatsCC/Wiki GitHub Wiki

Make sure you know your Linux CLI

We interact with linux quite heavily in the club. Code Academy has a really good introduction to the linux command line here: https://www.codecademy.com/learn/learn-the-command-line

Linux Challenges

overthewire.org has a lot of really cool challenges. Their bandit level is perfect for challenging your linux command line skills. https://overthewire.org/wargames/bandit/