security



VPS for Trading: Why Every Trader Needs a Remote Desktop

  • September 14, 2026, 11:47:53

Greetings, friends!In trading and financial markets, data transmission latency and network stability directly impact transaction outcomes. Missing an optimal entry point due to an ISP outage, a home p...

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...

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."...