Misc

War games: Good for getting comfortable with the CLI (command line interface)

• https://overthewire.org/wargames/bandit/

• Powershell version: https://underthewire.tech/wargames

Wifi related

• airmon-ng and wpa2

• wifi password standards (might be outdated)

• access points

VPN home server with raspberry pi: https://pimylifeup.com/raspberry-pi-vpn-server/

CTF/Fun Practice

• https://picoctf.com/

• https://www.hackthebox.com/

• https://www.root-me.org/?lang=en

• https://www.hackthissite.org/

• https://tryhackme.com/

• https://ctftime.org/event/list/upcoming

• Phrack magazine

Free Learning Materials:

• learn metasploit

• http://www.haifux.org/ -- over 300 lectures

• https://primer.picoctf.org/ -- learn about ctf topics

Unsorted

https://ryanstutorials.net/linuxtutorial/vi.php