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 on Kubernetes, Networking

Migrate the Kubernetes Cluster DNS Domain from cluster.local to iximiuz.cluster

by Omkar Shelke

Learn how to reconfigure the Kubernetes cluster DNS domain by updating CoreDNS ConfigMap and kubelet configuration on all nodes, a critical skill for custom cluster networking and CKA exam preparation.

#cka #coredns #kubelet #dns #cluster-domain

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

Troubleshoot Why the Calendar Todo App Pods Are Stuck in Pending

by Omkar Shelke

The production "Calendar Todo" web application has been deployed in the prod namespace but all pods are stuck in Pending. Investigate the cluster, identify why the application cannot run, fix the underlying node issue, and verify the app is serving traffic on NodePort 31777.

#cka #troubleshooting #kubelet #kubeadm #broken-cluster

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

Challenge 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