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.
A Kubernetes cluster has an existing database Deployment running. Configure a new web Deployment to schedule its pods only on nodes where the database pods are already running using required pod affinity.
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.
A Kubernetes cluster has tainted nodes to restrict pod scheduling. Configure a Deployment to schedule pods exclusively on a specific tainted node using both tolerations and required node affinity.
Debug and fix a Pod that fails to deploy due to resource constraint violations in a namespace with ResourceQuota and LimitRange policies.
