Resources
Below, I’ve compiled a number of resources I have come across which span topics related to Unix/Linux, penetration testing, and cyber security. As this list will be constantly evolving, please reach out to me if you have a resource(s) that you would like to contribute.
Linux
- Linux from Scratch – http://www.linuxfromscratch.org/
- Arch Wiki – https://wiki.archlinux.org/
- Advanced Bash-Scripting Guide – http://tldp.org/LDP/abs/html/index.html
- Over the Wire [Bandit] – http://overthewire.org/wargames/bandit/
- Bash One-liners – http://www.bashoneliners.com/
- Linux Journey – https://linuxjourney.com/
- Bash-Hackers Wiki – https://wiki.bash-hackers.org/start
- Rosetta Stone for Unix – http://bhami.com/rosetta.html
Penetration Testing
- Hack the Box – https://www.hackthebox.eu/
- Vulnerable by Design – https://www.vulnhub.com/
- Shell-storm Shell-code Database – http://shell-storm.org/shellcode/
- Highon.Coffee
- Pentest Tools Cheat Sheet – https://highon.coffee/blog/penetration-testing-tools-cheat-sheet/
- LFI Cheat Sheet – https://highon.coffee/blog/lfi-cheat-sheet/
- Reverse-shell Cheat Sheet – https://highon.coffee/blog/reverse-shell-cheat-sheet/
- Pentest Monkey
- Reverse-shell Cheat Sheet – http://pentestmonkey.net/cheat-sheet/shells/reverse-shell-cheat-sheet
- MySQL Cheat Sheet – http://pentestmonkey.net/cheat-sheet/sql-injection/mysql-sql-injection-cheat-sheet
- John the Ripper Hash Formats Cheat Sheet – http://pentestmonkey.net/cheat-sheet/john-the-ripper-hash-formats
- Over the Wire – https://overthewire.org/wargames/
- Abatchy’s Blog – https://www.abatchy.com/
Network Security
- Linux Hardening
- Highon.Coffee [CentOS 7 Hardening] – https://highon.coffee/blog/security-harden-centos-7/
- How to Secure a Linux Server [imthenachoman] – https://github.com/imthenachoman/How-To-Secure-A-Linux-Server
- OpenSCAP Security Guide – https://static.open-scap.org/ssg-guides/ssg-rhel7-guide-index.html
- CentOS 7 Server Hardening Guide – https://www.lisenet.com/2017/centos-7-server-hardening-guide/