Michał Ży

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.

linux-hardening-checklist. Simple checklist to help you deploying the most important areas of the GNU/Linux production systems - work in progress.

iptables-essentials. Iptables Essentials: Common Firewall Rules and Commands.

multitor. Create multiple TOR instances with a load-balancing.

technical-whitepapers. Collection of IT whitepapers, presentations, pdfs; hacking, web app security, db, reverse engineering and more; EN/PL.

otseca. Open source security auditing tool to search and dump system configuration. It allows you to generate reports in HTML or RAW-HTML formats.

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].

trimstray. Something about me.

redis. Redis is an in-memory database that persists on disk. The data model is key-value, but many different kind of values are supported: Strings, Lists, Sets, Sorted Sets, Hashes, Streams, HyperLogLogs, Bitmaps.