Tutorials



Why is the disk on the server overflowing and how to find the "hidden" files?

  • August 18, 2026, 01:45:57

Greetings, friends!Sudden disk space depletion on a Linux server is one of the most common causes of emergency failures. This issue can stop databases, break web server operations, and freeze system p...

Turning a Linux VPS into a full-fledged PC: Setting up VNC in 10 minutes

  • August 18, 2026, 12:23:12

Greetings, friends!Deploying a Graphical User Interface (GUI) on a virtual server becomes necessary when the console SSH interface is no longer enough. Working with graphical software, testing browser...

How to protect the server from hacking: Setting up 2FA via Google Authenticator PAM

  • August 18, 2026, 11:51:31

Greetings, friends!In modern realities, classical password protection or SSH key authorization is no longer enough if an administrator's account becomes compromised. Implementing Two-Factor Authentica...

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...