Docker

Protecting your self-hosted services from brute-force attacks, port scanning, and malicious traffic is essential. For years, Fail2Ban has been the go-to solution for Linux system administrators. But CrowdSec has emerged as a modern alternative with collaborative threat intelligence and Docker-first design. Which one should you choose for your homelab? 💡 This article contains affiliate links. If you buy through them, we earn a small commission at no extra cost to you. Learn more. In this guide, we’ll compare CrowdSec and Fail2Ban across key metrics: installation complexity, configuration flexibility, performance impact, community features, and real-world effectiveness. By the end, you’ll know exactly which intrusion prevention system fits your self-hosted infrastructure. ...

When running privacy-sensitive applications through a VPN, one of your biggest concerns should be connection drops. If your VPN disconnects unexpectedly, your real IP address gets exposed—defeating the entire purpose of using a VPN in the first place. A VPN kill switch solves this problem by blocking all non-VPN traffic automatically. 💡 This article contains affiliate links. If you buy through them, we earn a small commission at no extra cost to you. Learn more. In this guide, we’ll build a robust, self-hosted VPN kill switch using Docker containers and iptables firewall rules. You’ll learn how to create an isolated network namespace where applications can only communicate through the VPN tunnel—if the VPN drops, all traffic stops completely. We’ll use qBittorrent as our example application, but the same approach works for any Docker container. ...

If you’re running multiple self-hosted services on Docker, managing access to each one can quickly become a mess. Different ports, manual SSL certificate management, and complex nginx configurations are enough to make anyone want to give up. That’s where Traefik comes in—a modern, Docker-native reverse proxy that automatically discovers your services and handles SSL certificates without you lifting a finger. 💡 This article contains affiliate links. If you buy through them, we earn a small commission at no extra cost to you. Learn more. Traefik v3, released in 2024, brings significant improvements over v2, including better performance, enhanced middleware options, and improved configuration syntax. In this complete guide, you’ll learn how to set up Traefik v3 from scratch, configure automatic SSL certificates with Let’s Encrypt, and connect your Docker services—all without touching a single nginx config file. ...

Keeping Docker containers up to date is one of those chores that sounds simple but quickly becomes a time sink when you’re running a dozen self-hosted services. Miss an update and you might leave a security hole open for weeks. That’s where Watchtower comes in — a lightweight container that monitors your running Docker containers, detects new image versions, and automatically pulls and restarts them for you. 💡 This article contains affiliate links. If you buy through them, we earn a small commission at no extra cost to you. Learn more. Watchtower has been a staple of the homelab community for years, and for good reason: it’s dead simple to configure, surprisingly flexible, and it runs entirely inside Docker itself. This guide covers everything from a basic one-shot update run to a fully configured, notification-enabled automatic update setup — including how to exclude containers you don’t want touched. ...

If you’ve ever wanted to track your internet speeds over time without relying on third-party services that log your data, self-hosting your own speed test tool is the answer. Two of the most popular options in the homelab community are LibreSpeed and Speedtest Tracker — and they serve surprisingly different purposes despite sharing a similar name space. 💡 This article contains affiliate links. If you buy through them, we earn a small commission at no extra cost to you. Learn more. In this guide, we’ll break down what each tool does, how to set them up with Docker, and which one makes sense for your homelab. By the end, you’ll know exactly which to deploy — or whether you need both. ...

Running a homelab without proper monitoring is flying blind. You don’t know when your disk is about to fill up, when your RAM spikes, or when a container silently dies — until something breaks. Grafana and Prometheus fix that. Together, they give you gorgeous real-time dashboards and deep metrics for every server, container, and service you run. This guide walks you through setting up a complete Grafana + Prometheus monitoring stack using Docker Compose. By the end, you’ll have live dashboards showing CPU, RAM, disk, network, and container stats — all self-hosted, no cloud dependency. ...

If you’ve decided to stop trusting Google Drive, Dropbox, or iCloud with your files, you’ve got two outstanding self-hosted options staring you in the face: Syncthing and Nextcloud. Both are open-source, both respect your privacy — but they are built around fundamentally different philosophies. This guide cuts through the noise. By the end, you’ll know exactly which one fits your situation. 💡 This article contains affiliate links. If you buy through them, we earn a small commission at no extra cost to you. Learn more. The Core Difference: Sync vs Cloud Before diving into feature tables, you need to internalize this: ...

Pi-hole is one of the most popular self-hosted tools in the homelab community — and for good reason. It blocks ads, trackers, and malicious domains at the network level, protecting every device on your network without installing anything on individual devices. Smart TVs, smartphones, game consoles — they all benefit automatically. In this guide, you’ll learn how to run Pi-hole in Docker, configure it properly, set up custom DNS records, and squeeze every last bit of blocking power out of it. ...

Self-hosting gives you complete control over your data and services. But with great power comes great responsibility — if your Nextcloud, Jellyfin, or Vaultwarden instance is misconfigured or exposed, you become an easy target. Security breaches in home servers are real: exposed ports get hit by scanners within minutes of going online. This guide covers the practical security layers every self-hoster should have in place in 2026 — from firewalls and HTTPS to authentication layers and intrusion prevention. You don’t need to implement everything at once, but each layer you add makes your setup significantly harder to compromise. ...

If you’ve been self-hosting for more than a week, you’ve already written a docker-compose.yml file. Maybe you copied one from a GitHub README, fired it up, and it worked. Magic. Then six months passed. You have 15 services, four compose files scattered across your home directory, containers with restart: always that silently fail, hardcoded passwords in plain text, and a vague sense of dread whenever you ssh into your server. ...