gpt-oss-120b and gpt-oss-20b are two open-weight language models by OpenAI

Learning assembly for Linux x86_64 translated version

Explain complex systems using visuals and simple terms. Help you prepare for system design interviews.

Science, Programming, Art and Radioelectronics Club (SPARC) book.

🐧 A list of awesome Linux softwares

DevOps Roadmap for 2026. with learning resources

📚 Freely available programming books

🚀 A curated and opinionated list of resources (English & Russian) for Backend developers | Структурированный список ресурсов для изучения Backend разработки

Репозиторий содержит список вопросов по наступальной безопасности.

An open-source cross-platform alternative to AirDrop

Hackings style defence tricks

Self-Hosting Guide. Learn all about locally hosting (on premises & private web servers) and managing software applications by yourself or your organization. Including Cloud, LLMs, WireGuard, Automa…

RSpec tests for your Puppet manifests

Linux, Jenkins, AWS, SRE, Prometheus, Docker, Python, Ansible, Git, Kubernetes, Terraform, OpenStack, SQL, NoSQL, Azure, GCP, DNS, Elastic, Network, Virtualization. DevOps Interview Questions

Certified Kubernetes Administrator - CKA Course

Learn regex the easy way

Simple script to analyse your PostgreSQL database configuration, and give tuning advice

Create agents that monitor and act on your behalf. Your agents are standing by!

🌱 Web based ssh client

This guide details creating a secure Linux production system. OpenSCAP (C2S/CIS, STIG).

How to improve NGINX performance, security, and other important things.

Open source tool to help you build a valid SSL certificate chain.

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

Production-ready fullstack but simple mail server (SMTP, IMAP, LDAP, Antispam, Antivirus, etc.) running inside a container.

A Python Tetris implementation that "fits on a business card" (20 lines x 80 characters)

High level architecture overview

A curated list of awesome MySQL software, libraries, tools and resources

nginx monitor for zabbix and include template

Dynamic template for monitoring automatically php-fpm pools with LLD.

Nginx configuration static analyzer