// Topic
When a site is down, everything is slow, or you need to quickly understand what broke.
Typical tasks
// Materials on this topic
6 articles
2025-11-20
You deployed a new feature. Everything works perfectly on your local machine, and you’re happy with the result. Then a message appears: “Nothing works for me.” You open the server logs — they’re …
2025-11-19
Introduction: why “lab” metrics aren’t everything “Lighthouse shows 100/100, but users complain about lag” — a familiar pain? Synthetic tests (Lighthouse, WebPageTest) are great for …
2025-08-08
What is KVM? KVM (Kernel-based Virtual Machine) is a virtualization technology built directly into the Linux kernel. KVM transforms the Linux kernel into a Type 1 hypervisor (bare-metal), allowing multiple virtual …
2025-07-17
Why Do We Need Centralized Logging? Making Sense of Log Chaos We’ve already discussed the importance of metrics monitoring for understanding the health of your IT infrastructure. But metrics are only part of the picture. …
2025-07-12
In today’s world, where digital technologies penetrate every sphere of life, the stable operation of IT infrastructure is not just a desirable condition — it is a critical necessity. Whether it’s a small website, a large …
2025-07-07
Introduction to FastPanel In the market of free server control panels, FastPanel stands out as a powerful and modern solution offering a wide range of features without compromising on performance. Unlike lightweight …