Practical guides, tools and solutions for IT infrastructure managers. From Linux server and Docker container configuration to Grafana monitoring, from MySQL database management to network and system troubleshooting. Articles born from daily field experience, designed for those who want to truly understand how things work — not just make them work.

Segmenting the Tailscale Network with ACL and Tags: How I Isolated My VPS from Home Devices

I’ve been using Tailscale for years as my personal VPN: incredibly convenient, zero-config…

Traefik as a Reverse Proxy for Docker: Complete Guide with Automatic SSL

If you manage multiple web services on a single server, sooner or later you have to solve the…

Using Claude Code for Linux Server Administration: A Practical, Supervised Approach

Claude Code for Linux server administration: Claude Code is the command-line tool developed by…

AST3ROIDX: Recreating Asteroids with Claude Sonnet 4.5

How I developed a complete classic arcade game in less than a working day After the experiment with…

From Windows to Arch Linux: Chronicles of a Migration

My background in the IT industry has always fuelled a deep interest in open source systems. Despite…

Matrix Synapse: Building Your Own Decentralized Communication Platform

Have you ever wanted to take back control of your online conversations, away from the large…

Automation…automation! Setting Up an Ansible Server

Automation…automation! Setting Up an Ansible Server for IT Automation Have you ever thought…

Installing GitLab CE with Docker and Docker Compose: A Step-by-Step Guide

If you’ve ever been curious about setting up a GitLab Community Edition (CE) server with…