Challenge, Medium, on
Diagnose Why a DaemonSet Skips the Control Plane Node
by Omkar Shelke
Troubleshoot and update a Kubernetes DaemonSet so that its Pods run on all nodes in the cluster, including the control plane.
Submissions: 35/41
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, 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
Challenge, Easy, on
Create and Apply a Kubernetes Job with Completions and Parallelism
by Omkar Shelke
Create a Kubernetes Job template for Team Aurora that runs a busybox command across multiple completions in parallel, with specific pod labels and container configuration.
Submissions: 26/33
Disable API Server NodePort and Configure kube-scheduler Resource Requests
by Omkar Shelke
Configure the kube-scheduler static pod with CPU resource requests based on node allocatable, and disable the NodePort access to the Kubernetes API server so it is only reachable via ClusterIP.
Submissions: 13/19