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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.

View all challenges