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.
Configure a Vertical Pod Autoscaler (VPA) with a per-container resource policy that provides recommendations for the main container while excluding the sidecar container from any VPA-managed scaling.
A LimitRange exists in the namespace but Pods are not receiving default resource requests and limits. Investigate the root cause and fix it.
Troubleshoot a Deployment where containers are repeatedly OOMKilled. Inspect Vertical Pod Autoscaler (VPA) recommendations and manually apply the recommended memory request and memory limit to stabilize the workload.
Create a LimitRange in a namespace to enforce minimum, maximum, and default resource constraints for containers, then deploy a compliant Pod.