arthur@homelab:~$ cat ~/guides/start-a-homelab.md

Start a Homelab Without Overthinking It

A small, safe first homelab that can grow with you.

You do not need a rack, enterprise servers, or a complicated network to start a homelab. You need a computer you can leave running, a problem you want to solve, and a willingness to document what you change.

Begin with one useful service

Choose something you will actually use: network-wide DNS filtering, a personal dashboard, a media server, or a private Git forge. A used mini PC is usually a better first server than retired enterprise hardware because it is quiet, efficient, and easy to live with.

Keep the first network boring

Connect the machine to your existing LAN. Give it a stable DHCP reservation. Avoid opening router ports until you understand what is listening and how it is authenticated. If you need remote access, an encrypted overlay network such as Tailscale is a friendly starting point.

Back up before expanding

A copy on the same disk is not a backup. Decide which data would hurt to lose, copy it to another device, and periodically prove that you can restore it.

Write down what you did

Record the host address, installed services, important paths, and recovery steps. Your future self is the first reader of your documentation.