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2025-10-10
Thanks to Let’s Encrypt HTTPS has become the standard for the entire internet. This project made it possible for any site administrator to get a free SSL certificate in just a few commands. But other players have …
Read more2025-10-09
Noticed how in Gmail or other mail services the logos of big companies — and even a blue checkmark — appear next to their messages? It’s not just pretty — it’s the result of BIMI (Brand Indicators for Message …
Read more2025-10-08
Congratulations! You just set up your web server (LAMP, LEMP, or something else) and are ready to build awesome websites. You have an operating system, a web server, a programming language, but one important puzzle piece …
Read more2025-10-07
Hello, aspiring web developer! 👋 If you’re just diving into the world of building websites, you’ve probably already heard of LAMP and LEMP. These acronyms sound like something out of a spy movie, but in …
Read more2025-10-06
Introduction Let’s Encrypt is the standard for obtaining free TLS certificates. Most often certificates are issued via the HTTP-01 method, which requires a reachable web server on port 80. However, for internal services …
Read more2025-10-05
Moving a website to a new server or restoring it after a failure can sound like a scary task, especially if you’re new to web development or administration. But don’t panic. With the right approach and a …
Read more2025-10-05
Introduction Email remains one of the key tools for communication and business. Many use paid services like Gmail, Outlook or ProtonMail, but there are those who prefer to set up their own mail server. This gives full …
Read more2025-10-03
Introduction If you are a beginner system administrator or developer, you’ve probably faced the task of managing network traffic. One of the most powerful tools for this is HAProxy, a high-performance load balancer for …
Read more2025-10-01
Task 🚀 Create your own fast and reliable proxy, register it in Telegram to track statistics, and optionally make it public. Solution Choice: Docker + Official MTProto Image Why Docker? Docker allows you to run the proxy …
Read more2025-09-30
Introduction In this series on file transfer protocols, we’ve already looked at centralized solutions — S3, WebDAV, Rsync. But there’s a fundamentally different approach — BitTorrent, a decentralized P2P protocol that …
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