Focused, hands-on problems for sharpening your DevOps and server-side skills. Some teach specific concepts while others mirror real-world scenarios. Every challenge includes hints, feedback, and automated solution checks.
Create a PersistentVolumeClaim backed by a CSI StorageClass and run a storage performance benchmark using FIO inside a Kubernetes Job.
Run a Job to completion, control retries with backoffLimit, compare restartPolicy Never with OnFailure, run work in parallel, clean up automatically with ttlSecondsAfterFinished, suspend a running Job, and enforce a deadline with activeDeadlineSeconds.
