// DevOps
Practical materials about infrastructure, networking, migrations, releases, and real problems solved in production.
74 DevOps materials published
Link to check how the installed Telemt works Update: September 2026 Before deploying the official image, note its status: The image is hardly updated. The tag telegrammessenger/proxy:latest (aka 1.4) was last published …
Read moreThis article is compiled as a “cheat sheet” for SOHO/SMB networks: common problems, their symptoms, causes, quick fixes and diagnostic checklists. Suitable for both engineers and admins who maintain the …
Read moreIntroduction Netplan is a utility for declarative network configuration on Linux (Ubuntu, Debian and derivatives). It’s usually used for simple cases like Ethernet or Wi-Fi, but it can do much more: tunnel …
Read moreThis guide explains how to set up an OpenVPN server on Ubuntu and connect a Keenetic router to it. This scenario is convenient when you need to provide access to a home network or expose services (for example, a PBX or a …
Read moreJitsi Meet — an open videoconferencing system that you can deploy on your own server. The easiest way is via Docker: the project publishes ready images and Compose files. Below is the installation following the official …
Read moreSometimes two remote local networks need to be combined so they work as one: devices see each other by MAC addresses and broadcast requests pass through. For this MikroTik has EoIP (Ethernet over IP) — a layer-2 tunnel …
Read moreIn the world of Linux and networking technologies, there are many subtle but critically important kernel settings. One such setting is rp_filter. This parameter, often overlooked, plays a key role in network security and …
Read moreIn this guide we install n8n on a server with the FastPanel control panel using Docker Compose. n8n itself runs in containers together with PostgreSQL, Redis and a separate worker, while FastPanel handles the domain, …
Read moreThis guide shows how to deploy n8n in Docker and expose it to the outside via HAProxy — a reverse proxy that accepts HTTPS and forwards requests to n8n. The instructions are aimed at beginners: each step is explained. …
Read moreProject status as of September 2026. VPNCloud is written in Rust. The last release is 2.3.0 from December 23, 2021, the most recent changes in the repository are from March 2024. The project is not archived, but is …
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