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the-book-of-secret-knowledge
A collection of inspiring lists, manuals, cheatsheets, blogs, hacks, one-liners, cli/web tools and more.nginx-admins-handbook
How to improve NGINX performance, security, and other important things.test-your-sysadmin-skills
A collection of Linux Sysadmin Test Questions and Answers. Test your knowledge and skills in different fields with these Q/A.the-practical-linux-hardening-guide
This guide details creating a secure Linux production system. OpenSCAP (C2S/CIS, STIG).htrace.sh
My simple Swiss Army knife for http/https troubleshooting and profiling.sandmap
Nmap on steroids. Simple CLI with the ability to run pure Nmap engine, 31 modules with 459 scan profiles.iptables-essentials
Iptables Essentials: Common Firewall Rules and Commands.linux-hardening-checklist
Simple checklist to help you deploying the most important areas of the GNU/Linux production systems - work in progress.multitor
Create multiple TOR instances with a load-balancing.otseca
Open source security auditing tool to search and dump system configuration. It allows you to generate reports in HTML or RAW-HTML formats.technical-whitepapers
Collection of IT whitepapers, presentations, pdfs; hacking, web app security, db, reverse engineering and more; EN/PL.mkchain
Open source tool to help you build a valid SSL certificate chain.reload.sh
Wipe, reinstall or restore your system from running GNU/Linux distribution. Via SSH, without rebooting.massh-enum
OpenSSH 2.3 up to 7.4 Mass Username Enumeration (CVE-2018-15473).trimstray.github.io
Personal blog [PL/EN].Love Open Source and this site? Check out how you can help us