Open Source · Free ForeverLearn DevOps
Learn DevOps
by doing it.
Hands-on challenges for Docker, Kubernetes, Linux, and Git. Run labs locally — no cloud account, no credit card, no BS.
2,400+ engineers actively learning
tld — zsh
Four tracks. One platform.
Docker
From hello-world to multi-stage builds.
Kubernetes
Deploy and scale on real clusters.
Linux
Permissions, processes, networking.
Git
Version control, repositories, commits.
Ready to start?
Install the agent and pick your first challenge.