Challenges

Focused, hands-on problems for sharpening your DevOps and server-side skills. Some teach specific concepts while others mirror real-world scenarios. Every challenge includes hints, feedback, and automated solution checks.

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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

Set and Use Secrets in a Kubernetes Deployment

by Omkar Shelke

Configure a Kubernetes Deployment to consume Secrets as environment variables and volume mounts.

#cka #kubernetes-101 #secrets #deployment #ckad

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

Multi-Container Pod Security Design

by Omkar Shelke

Create a multi-container Pod with different user IDs per container while sharing a common group ID at the Pod level for collaborative file access.

#kubernetes-101 #security-context #ckad #multi-container #cka

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

Run a Short Task as a Standalone Pod Without a Job Controller

by Omkar Shelke

Create a Pod in the processing namespace that runs a short task and exits successfully, reaching a Completed status without using a Job controller.

#cka #ckad #pods #kubernetes-101 #restart-policy

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

Perform In-Place Updates on a Kubernetes Deployment

by Omkar Shelke

Update container images, container names, update strategy, and replica count in an existing multi-container Kubernetes Deployment.

#kubernetes-101 #deployment #ckad #multi-container

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

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.

#ckad #cka #jobs #kubernetes-101

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

Switch Live Traffic from Blue to Green Using Kubernetes Services

by Omkar Shelke

Perform a blue-green deployment by creating a new green version of a web application, then switch live traffic from blue to green with zero downtime by updating the Service selector.

#ckad #deployments #services #blue-green #kubernetes-101

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

Keep Pods Healthy with Liveness and Readiness Probes

by Omkar Shelke

Add HTTP-based liveness and readiness probes to an existing Kubernetes Deployment and verify application health and availability.

#kubernetes-101 #probes #liveness #readiness #ckad

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

Inspecting and Extracting Kubernetes Kubeconfig Data

by Omkar Shelke

Extract context names, the active context, and a decoded client certificate from a Kubernetes kubeconfig file and write the results to specific files.

#kubernetes-101 #kubeconfig #client-cert #k8s-context #cka

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

Set ConfigMap Environment Variables in a Pod

by Omkar Shelke

Inject ConfigMap values as environment variables into a Kubernetes Pod.

#kubernetes-101 #cka #ckad #configmap #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

Kubernetes Pod Lifecycle Fundamentals

by Adithya G

Practice the fundamental lifecycle of a Kubernetes Pod: creation, inspection (IP, node), interaction (executing commands, checking logs), and deletion.

#kubernetes-101 #pods #kubectl