linux



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...

Kubernetes vs Docker Compose: What does small business pay for?

  • August 18, 2026, 10:16:58

Greetings, friends!For small companies developing digital products, the abbreviation Kubernetes (K8s) has long been synonymous with a modern, scalable backend. However, behind the flashy status of an ...

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...

Choosing an Operating System for VPS in 2026: AlmaLinux, Rocky Linux, or Debian?

  • August 06, 2026, 11:25:15

Greetings, friends!Choosing an operating system for a VPS is no longer a matter of personal taste. Changes in Red Hat's policy, the final demise of legacy distributions like CentOS 7, and the maturity...