// Blog and breakdowns
Posts and notes about servers, infrastructure, networking, security, and real operational work.
// Fast route
If you came from search and do not want to move through the archive one post at a time, it is better to switch to the topics catalog or open services directly.
151 log entries indexed
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 …
If you use n8n for automations involving large language models (LLM), you probably know not only about their huge capabilities but also about the risks. LLMs remain a “black box”: they can accidentally …
A Simple Guide for Beginners: Jenkins → GitLab → GitHub → GitOps Hello! Are you just starting your DevOps journey or tired of hearing “and we use CI/CD” in interviews? Want to finally understand why code that …
How to take back control of your photos without sacrificing convenience Hi everyone! Today I want to talk about something that’s been bothering me. Remember when Google Photos was completely free and unlimited? …
In today’s world of AI models it’s easy to get lost. You have ChatGPT for some tasks, Claude for others, you want to experiment locally with Llama 3, and for coding — use a specialized model. The result is a …
Yocto — this is not a distribution. It’s a tool from which you build your Linux. Like Lego, only for engineers. 🔧 Who needs Yocto Developing medical or industrial devices Require a 10-year support lifecycle Want a …
pfSense — a tank in the world of firewalls. Is updated less often, but runs for years without surprises. 🏢 Who pfSense is for Corporation with 100+ users Needs official support Has old but reliable hardware Value …
OPNsense — it’s like pfSense, but prettier, faster, and with an API. Want an office firewall you wouldn’t be embarrassed to show your boss? Here it is. 💼 Who OPNsense is for Office of 10–50 people VPN for all …
Imagine: an old router for 2000 ₽ blocks ads, shares a VPN, works as a Mesh system and doesn’t slow down even with 50 devices. This is not magic — this is OpenWRT. 🏠 Who needs OpenWRT OpenWRT turns an ordinary router …
n8n is a powerful open-source workflow automation tool that allows building complex workflows without deep programming. One of the key scaling mechanisms in n8n is queue mode, where the main instance delegates task …