Challenges | iximiuz Labs

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, Networking

Extend the Cluster with an Additional Service CIDR for the dev Team

by Omkar Shelke

Add a new, separate Service CIDR range for the dev team using the ServiceCIDR API object — without touching or restarting the cluster's default Service CIDR — then create a Service with an explicit ClusterIP inside that new range and verify DNS resolution.

cka ckad service service-cidr cluster-ip

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, Networking

Pin a Client to the Same Pod Using Service Session Affinity

by Omkar Shelke

Configure a Kubernetes Service so that requests from the same client IP are always routed to the same backend Pod for a sustained period, using ClientIP-based session affinity.

cka ckad service session-affinity load-balancing

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, Networking

Resolve a Container Port Conflict and Expose Multiple Ports Through a Single Service

by Omkar Shelke

A Deployment with two nginx containers has a port conflict — both containers use port 80. Fix the conflict by updating the ConfigMap, mounting it into the second container, updating the containerPort, and exposing both containers via a NodePort Service.

ckad cka multi-container service