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.

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Independent Authors

Challenges from outstanding independent authors proudly hosted by iximiuz Labs.

This challenge was carefully crafted by an independent author and proudly hosted by iximiuz Labs.

Challenge, Hard, on Kubernetes

Kube Mysteries: The Invisible Pod

by Márk Sági-Kazár

Did you know that pods can become invisible? Can you figure out how?

kubelet pod

Community Collection

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

This challenge was created by a community author. Community content is reviewed by the iximiuz Labs team on a best effort basis.

Challenge, Easy, on Kubernetes

Convert Pod to Deployment with Secret Management

by Omkar Shelke

Convert an existing Pod manifest into a Deployment and move the hardcoded environment variables into a Kubernetes Secret.

ckad deployment secret pod configuration

This challenge was created by a community author. Community content is reviewed by the iximiuz Labs team on a best effort basis.

Challenge, Medium, on Kubernetes

Kubernetes QoS Classes and Resource Management

by Omkar Shelke

Understand and implement Kubernetes Quality of Service (QoS) classes. Create Deployments and Pods with different QoS classes and identify eviction priority during resource pressure.

cka qos resources deployment pod

This challenge was created by a community author. Community content is reviewed by the iximiuz Labs team on a best effort basis.

Challenge, Easy, on Kubernetes

Pod, Service, and Cross-Namespace DNS Resolution

by Omkar Shelke

Create a Pod with ConfigMap volume mount, expose it via ClusterIP Service, and test connectivity from another namespace. This combines multiple Kubernetes concepts.

ckad pod service configmap dns

This challenge was created by a community author. Community content is reviewed by the iximiuz Labs team on a best effort basis.

Challenge, Medium, on Kubernetes

File-Aware Readiness Probe for Container Initialization

by Omkar Shelke

Create a Pod with a readiness probe that checks for the existence of a file inside the container to determine its ready state.

pod readiness-probe ckad probe

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