system administrator



What should I do if the server's IP is blacklisted (Spamhaus, etc.)?

  • August 14, 2026, 12:11:06

Suppose you have set up a mail server, prepared an important B2B email campaign with commercial proposals for client leads, or launched automated order notifications for an online store. But suddenly,...

How to set up a development environment (VS Code Server) directly in the browser on a VPS

  • August 14, 2026, 10:33:16

Greetings, friends!Imagine this scenario: you are on the road, in a meeting, or at a café, and all you have on hand is a lightweight tablet, an old laptop, or even a smartphone. Suddenly, a productio...

How to Protect Your Website from Bots, Scrapers, and Automated Threats in 2026

  • July 29, 2026, 12:22:11

Greetings, friends!According to network traffic statistics, internet background noise is composed of more than 50% automated system activity. While you work on optimizing conversion rates and refining...

Why Your Business Needs a Dedicated Static IP Address: Security, Control, and Stability in 2026

  • July 24, 2026, 11:47:37

Greetings, friends!When you connect internet to an office or set up remote access for employees, providers often offer an additional service: a "Dedicated Static IP Address." For someone far from syst...

Safe Linux Updates: Configuring Automatic Security Patches on Ubuntu 24.04 Without Crashing Production

  • July 20, 2026, 02:04:04

Greetings, friends!Among system administrators and DevOps engineers, there is an old joke: "If the server is running stably, don't touch it—and absolutely never type apt upgrade before the weekend."...