homelab
also: home laboratory, personal lab, homelabs
A personal laboratory or test environment, typically set up at home, where individuals experiment with servers, networking, virtualization, and other IT infrastructure for learning and hobby purposes.
A homelab is a self-contained computing environment built by enthusiasts to learn about Linux, networking, system administration, and infrastructure concepts without risking production systems. It typically includes spare computers, virtual machines, networking equipment, and storage devices arranged to simulate real-world enterprise setups.
Common homelab projects include running a Proxmox or KVM hypervisor to host multiple Linux VMs, setting up a home NAS with TrueNAS or Unraid, configuring a DNS server with Pi-hole, or running containerized applications with Docker and Kubernetes. A homelab might involve an old desktop, Raspberry Pis, or cloud instances.
Homelabs serve as practical playgrounds where sysadmins and Linux enthusiasts can safely break things, experiment with configurations, and build portfolio projects—all without affecting real users or business systems. They're invaluable for learning automation tools like Ansible, testing security practices, or understanding infrastructure-as-code principles.