linux



Zabbix vs Prometheus: Which Monitoring System to Choose for Infrastructure in 2026?

Greetings, friends!When building and scaling corporate IT infrastructure, selecting a monitoring system becomes a fundamental architectural decision. Making a mistake at this stage can result in lost ...

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

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?

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.)?

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

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...