Challenge, Medium, on
Kubernetes - PV Reclaim Policies and Recovery
Observe the Delete and Retain reclaim policies in action, recover a Released PV by patching claimRef, and recover data by creating a new PV pointing to the same storage directory.
Challenges
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.
Challenge, Medium, on
Kubernetes - Dynamic Provisioning with StorageClass
Explore how the DefaultStorageClass admission controller injects storage classes, explicitly name a StorageClass, switch the cluster default, and inspect where local-path stores volumes on the node.
Submissions: 8/9
Challenge, Medium, on
Kubernetes - PersistentVolume Static Binding Patterns
Learn the three static PV binding patterns - generic match, label selector, and bidirectional claimRef - then use a no-provisioner StorageClass with WaitForFirstConsumer to pin storage to a specific node.
Challenge, Easy, on
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.
Mount Static Assets from an OCI Image into a Kubernetes Pod
Use Kubernetes image volumes to mount a static HTML artifact into an nginx Pod without an init container or a custom nginx image.
Submissions: 103/172
Challenge, Medium, on
Create a Redis StatefulSet with Stable Pod Identities and Persistent Storage
by Omkar Shelke
Create a StatefulSet and a Headless Service for a distributed caching system. Verify that Pods are created with stable ordinal names.
Submissions: 15/15