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.

Collection
Category
Difficulty

Community Collection

Challenges contributed by the community members sharing their knowledge and expertise.

Challenge,  Hard

Disable API Server NodePort and Configure kube-scheduler Resource Requests

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: 11/13
Challenge,  Easy

Verify Kernel Isolation Between Kata Containers and runc Using RuntimeClass

Prove that Kata Containers Pods run inside a dedicated VM with a separate guest kernel, completely isolated from the host kernel, by comparing kernel versions across runc and Kata runtimes.

Submissions: 9/13
Challenge,  Medium

Schedule a Maintenance Pod with Host Namespace Access Using Taints, Tolerations, and NodeSelector

Learn how to taint a node, schedule a Pod using nodeSelector and tolerations, and share the host network, PID, and IPC namespaces with the Pod.

Submissions: 11/14
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