Challenge, Hard, on
Troubleshoot a Website That Is Not Accessible
by Omkar Shelke
A web application is deployed but the website is not accessible. Investigate and fix the issue.
Submissions: 53/107
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.
Community Collection
Challenges contributed by the community members sharing their knowledge and expertise.
Challenge, Easy, on
Perform In-Place Updates on a Kubernetes Deployment
by Omkar Shelke
Update container images, container names, update strategy, and replica count in an existing multi-container Kubernetes Deployment.
Submissions: 30/49
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.
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