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2025-10-07
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 more2025-10-03
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 more2025-09-29
Introduction In previous articles, we explored different file transfer protocols — from classic FTP and SFTP to modern solutions like S3 and WebDAV. Now let’s take a closer look at Rsync — a powerful tool and protocol …
Read more2025-09-26
Introduction When it comes to file sharing not over the internet, but within a local network (at the office or at home), other protocols take the stage. The two main competitors here are: SMB — the king of the Windows …
Read more2025-09-22
Getting a new VPS is just the beginning. By default, the server is insecure and not ready for production use. This checklist will help you step by step to prepare your VPS: close security holes, enable updates, and …
Read more2025-09-18
Introduction Netplan is a utility for declarative network configuration in Linux (Ubuntu, Debian, and derivatives). It is usually used for simple cases like Ethernet or Wi-Fi, but it can do much more: tunnel interfaces …
Read more2025-09-08
Hello! If you’re even a little interested in the web, you’ve probably heard of curl. It’s a powerful and versatile command-line tool for interacting with web servers. It is used to send and receive data over various …
Read more2025-09-03
Swap is virtual memory on disk that saves your VPS from crashing when RAM runs out. On low-cost servers, it’s an indispensable tool to avoid failures during short-term memory usage spikes. Setup is simple: create a file, …
Read more2025-08-30
FreeIPA: The Untamed Titan of Enterprise Identity Introduction While Keycloak and FusionAuth focus on the web, FreeIPA operates on a different level. It’s not just an authentication server. It’s an integrated solution …
Read more2025-08-15
Introduction: From Reactive Defense to Proactive Security In 2025, attacks on servers are becoming increasingly sophisticated, and reactive measures (firewall, Fail2Ban, CrowdSec) are no longer enough. The modern …
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