Kubernetes · medium · live throwaway Linux box · 3 tiered hints
No cluster here — author /home/player/service.yaml: a Service named web, type ClusterIP, port 80 forwarding to targetPort 8080, selecting pods with label app=web.
▶ Start this challengeNobody has solved this one yet — be the first clear on the leaderboard.
Press start and you get your own real, disposable Linux VM — in the browser terminal or over SSH. Work the task on a live system; tmpfs.tech grades your solution automatically against the actual machine state, then throws the box away. No install, free to try as a guest.
Author Pod, Deployment and Service manifests and reason about scheduling.
See all Kubernetes challenges →
Is it free? Yes — play as a guest, no signup required to start.
Do I need to install anything? No. Everything runs in your browser, or connect over SSH if you prefer your own terminal.
How is it graded? Automatically and deterministically — your work is checked against the real state of the machine you worked on.