Starred repositories
All the UNIX and UNIX-Like: Linux, BSD, macOS, Illumos, 9front, and more.
Read-only git conversion of OpenBSD's official CVS src repository. Pull requests not accepted - send diffs to the tech@ mailing list.
Master the command line, in one page
📚 Freely available programming books
A reading and viewing list for larval stage SREs and sysadmins
Collection of IT whitepapers, presentations, pdfs; hacking, web app security, db, reverse engineering and more; EN/PL.
A collection of Linux Sysadmin Test Questions and Answers. Test your knowledge and skills in different fields with these Q/A.
A curated list of amazingly awesome open-source sysadmin resources.
A roadmap to become a linux admin. Improve your knowledge!
🖥️⚙️ A curated list of amazingly awesome Free Software and Open Source resources for system administrators.
CMD - Command Cheat Sheat ✅
An evolving how-to guide for securing a Linux server.
How to improve NGINX performance, security, and other important things.
List of Computer Science courses with video lectures.
A collection of various awesome lists for hackers, pentesters and security researchers
A collection of inspiring lists, manuals, cheatsheets, blogs, hacks, one-liners, cli/web tools and more.