Articles by tag: Docker

Docker vs VM: Key Differences Explained (2026)

What is a docker container and how does it differ from a vm? Learn architecture, security, performance, and when to use each. Make the right choice for your projects.

Docker vs Kubernetes: Key Differences Explained

Learn what is the difference between Docker and Kubernetes. Compare containerization vs orchestration, use cases, and choose the right tool for your stack.

Proxy balancing for n8n in Docker: fixing DNS errors

Step-by-step setup of fault-tolerant 3proxy for n8n in Docker. Fixing DNS timeouts and access errors. Ready docker-compose and config.

Home Media Server on Docker: Transmission + Jellyfin + Telegram

Step-by-Step Guide to Building a Media Server with Telegram Control. Automatic Downloads, Indexing, and Notifications. Works on NAS.

SLA in Redmine 5.1: plugin selection and customization | Guide

Analysis of SLA plugin compatibility for Redmine 5.1. Why there are no ready-made solutions and how to create a custom solution. Step-by-step testing methodology and recommendations for developers.

Migration of n8n to Traefik 3.3 and Postgres 16: technical guide

Step-by-step instructions for safe n8n upgrade from Traefik 1.x and Postgres 11. Save data and accounts. Read the guide for DevOps engineers.

Manticore Search Monitoring: Search Slowdown Diagnostics

How to Detect Hidden Search Slowdown in Manticore Search via Grafana. Pre-configured Dashboard Reduces Diagnostics Time from Hours to Minutes. Detailed Setup.

RCE in Marimo CVE-2026-39987: exploit in 9 hours

Critical pre-auth RCE in Marimo up to 0.23.0 gives root-shell via WebSocket. Sysdig: attack 9 hours after advisory. Update, rotate secrets, protect AI toolchain. Detailed analysis and measures.

Immich 2.6: self-hosted photo updates

Immich 2.6 improves synchronization, search and administration for self-hosted media. HTTP/3, schema-check, mobile fixes. Deploy Docker and test.

Postfix DKIM Docker: send-only server setup

Step-by-step guide to deploying Postfix with DKIM in Docker on Ubuntu. Authorization, TLS, SPF. Deliverability testing. For middle/senior devs. Start deploying your own mailer without relay services.

FastAPI + Marzban: automation of VPN service

Breakdown of VPN protection service architecture: FastAPI async, Marzban integration, idempotent YUKassa webhooks, Docker. Models code, token caching, trial. For middle/senior dev.

Docker Courses 2026: DevOps and backend

Review of top-6 Docker courses for DevOps and Python-backend. Salaries, programs, containerization skills. Choose a course with CI/CD and Kubernetes practice. Start learning today.

Homelab on Intel i7: selfhosting and network

Learn how to build a reliable homelab from RPi to a powerful server. Docker, reverse proxy, local DNS and backups for IT professionals. Build your infrastructure without clouds.

Linux Administration Courses 2026 for Beginners

Choose from top-6 Linux courses: deadlines, prices, AI skills. Salaries from 80k rub. for junior. Get the base for starting in IT without experience.

Docker on VPS: 24 containers in production

How to deploy 24 containers on VPS with 6 GB RAM. Architecture, Elasticsearch optimization, SSH tunnels, monitoring without Prometheus. For DevOps and middle/senior engineers.

MTU mismatch in Docker and OpenStack: how to fix CI/CD failure

Diagnosis and solution of MTU mismatch problem between Docker and OpenStack that breaks builds. Step-by-step guide for DevOps.

HydraScript: language with static typing and CGI for Docker

Overview of HydraScript — a programming language with static analysis and CGI scripting support for web development. Learn about the features and practical applications.

Nix and DevContainers: reproducible development environments

Set up an isolated and reproducible development environment using Nix and DevContainers. Save time when working with different projects.