A home lab is just a computer (or a few) that you run at home for learning, experimentation, or hosting your own services. It can be an old laptop gathering dust or a proper multi-node setup — either works. The point is that it’s yours to break, rebuild, and learn from.

Most people get into it for one of a few reasons: they want hands-on experience with real infrastructure, they’re tired of paying for cloud subscriptions, or they just find this stuff genuinely interesting. All valid.

What You Actually Need to Start

Three things:

1. A computer — doesn’t need to be new or powerful
2. An OS — Linux, free, installed in 15 minutes
3. Your existing internet connection — your router is fine for now

That’s it. No rack. No UPS. No dedicated room. Those things come later if you want them.

Budget Reality Check

People overthink this. Here’s what it actually costs:

• $0: Repurpose an old desktop or laptop. Install Ubuntu, start breaking things.
• ~$200: Buy a dedicated machine. The Beelink S12 Pro → is the most-recommended entry point right now — Intel N100, 16GB RAM, 500GB SSD, draws about 10W. Silent, capable, fits in your hand.
• $300-500: Add storage, a managed switch, or a second node. Now you have a real lab.

Start at zero or $200. Don’t spend $500 before you know what you’re doing with it.

Why Not Just Buy a Used Server?

The used Dell PowerEdge argument comes up every time. It’s a trap. A used rack server might cost $150 on eBay and pull 200W at idle. That’s $20-30/month in electricity just to keep it running, plus it sounds like a vacuum cleaner and needs to live in a closet or basement. A mini PC drawing 10W costs about $1.50/month to run and can sit on a desk without anyone noticing.

Unless you need specific server hardware — lots of drive bays, specific expansion cards — mini PCs are the smarter starting point for a home lab in 2026.

Choosing Your First Hardware

Mini PCs are the default recommendation in r/homelab for a reason. Small, silent, efficient, cheap enough that you’re not stressed about experimenting. Two solid picks:

• Beelink S12 Pro → — N100, 16GB, 500GB, ~$200. Best entry-level pick.
• Beelink EQ12 — Same chip, dual Ethernet. Worth the extra $20 if you want to experiment with firewalls or routing.

More detail in the mini PC guide.

If you already have an old desktop, just use that. Slap Ubuntu Server on it and start learning. You can always upgrade hardware later once you know what you actually need.

What to Install First

Pick One: Proxmox or Ubuntu Server

Proxmox VE is the most popular choice in home lab circles. It’s a bare-metal hypervisor that lets you run VMs and containers through a web UI. You can spin up a new VM in minutes, snapshot it before doing something risky, and run dozens of services on a single machine. Free, well-documented, huge community.

Ubuntu Server is simpler. If you just want to run Docker containers and don’t need VM isolation, plain Linux is less overhead. Good starting point if the Proxmox UI feels like too much.

Not sure which? The Proxmox vs TrueNAS comparison covers the tradeoffs.

Set Up Docker

Docker is how most people run self-hosted services these days. Once your OS is up, install Docker and Docker Compose. Most applications you’ll want to run have official Docker images, which means deployment is usually a single docker compose up command.

Five Services Worth Running First

1. Pi-hole or AdGuard Home — Network-wide ad blocking. Blocks ads on every device without touching any of them. You’ll notice immediately.
2. Portainer — Web UI for Docker. Makes managing containers less painful, especially when you’re starting out.
3. Uptime Kuma — Monitoring dashboard. Set it up early and you’ll actually know when something breaks instead of finding out when someone complains.
4. Jellyfin — If you have a media collection, this turns your server into a personal streaming service.
5. Nginx Proxy Manager — Reverse proxy with a UI. Once you’re running multiple services, you’ll want this.

All of these run as Docker containers. All have good documentation. All are worth your time.

Mistakes That Cost People Time and Money

Buying hardware before you know what you need. The full rack setup can wait. One mini PC and a weekend of tinkering will tell you more about what you actually need than any spec sheet comparison.

Ignoring power consumption. Run the numbers on anything you’re considering running 24/7. That $150 server deal on eBay might cost $300/year to power.

Not setting up backups early. The rule: if data exists in only one place, it doesn’t really exist. Even a simple rsync to an external drive beats nothing.

Making things complicated before understanding the basics. Kubernetes is not the right tool for running a media server. VLANs are not necessary on day one. Ansible is not worth learning before you’ve manually configured things a few times. Add complexity when you understand why you need it, not before.

Not writing things down. Seriously. Future you at midnight will want to know what you did and why. A text file is fine.

Where to Go From Here

1. Pick hardware — old machine or Beelink S12 Pro →
2. Install Proxmox or Ubuntu Server
3. Get Pi-hole and Portainer running via Docker
4. Join r/homelab and r/selfhosted — both are welcoming to beginners
5. Read the network setup guide when you’re ready to start segmenting traffic

The hardest part is starting. Everything else gets figured out as you go.