Focused hands-on problems designed to help you hone your DevOps or Server Side skills. Some challenges are more educational, while others are based on real-world scenarios. The platform provides hints and feedback for each challenge, including automated solution checks.
Challenges contributed by the community members sharing their knowledge and expertise.
Identify the Secret linked to a ServiceAccount, extract and decode the Base64-encoded token, and verify it contains a valid JWT structure.
This exercise tests your ability to safely upgrade a multi-node Kubernetes cluster from version 1.30 to 1.31 following the standard upgrade procedure.
Create a multi-container Pod with different user IDs per container while sharing a common group ID at the Pod level for collaborative file access.
Deploy the Headlamp Kubernetes UI using Helm, expose it via a NodePort Service, and generate a ServiceAccount token to authenticate to the UI.