Challenges

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.

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Community Collection

Challenges contributed by the community members sharing their knowledge and expertise.

Challenge,  Easy

Configure a Memory-Backed emptyDir Volume with a Size Limit

A Deployment is using a disk-backed emptyDir volume. Convert it to a memory-backed tmpfs volume for better performance — but make sure to set a size limit to prevent the Pod from exhausting the node's RAM.

Submissions: 59/69
Challenge,  Easy

Kubernetes - emptyDir Volumes: Sharing, Lifecycle, and Memory-Backed Storage

Use emptyDir volumes to share data between containers, understand the volume lifecycle across container restarts and pod deletion, and explore memory-backed ephemeral storage.

Submissions: 32/90