Challenges

Focused, hands-on DevOps and server-side problems with hints, feedback, and automated solution checks.

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

Challenge on Kubernetes, Security

Enforce TLSv1.3-Only Policy on a Production NGINX Deployment

by Omkar Shelke

Update a production NGINX ConfigMap to restrict TLS to v1.3 only, then verify the change enforces the security policy.

#cka #ckad #tls #configmap #deployment

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

Challenge on Kubernetes

Resolve ContainerCreating Issue Caused by Missing ConfigMap

by Omkar Shelke

A Deployment is stuck with Pods in ContainerCreating state because the required ConfigMap was not created. Fix the issue to make the application accessible.

#ckad #cka #troubleshooting #configmap #debugging

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

Challenge 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 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