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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Official Collection

Challenges crafted by iximiuz Labs to help you master DevOps and Server Side topics.

This challenge was prepared for you by the iximiuz Labs team.

Challenge, Easy, on Kubernetes, Containers

Deploy a Pod with a Container Image from a Private Registry

by Ivan Velichko

Practice configuring Kubernetes to pull images from a private registry and run Pods with authenticated registry access.

kubernetes-101 container-registry container-image kubectl

This challenge was prepared for you by the iximiuz Labs team.

Challenge, Easy, on Kubernetes, Containers

Deploy a Resource-Greedy Pod Without Breaking the Kubernetes Cluster

by Ivan Velichko

Prove your SRE skills - deploy a resource-greedy application to a Kubernetes cluster and make it run for a while without disrupting the service.

kubernetes-101 pod-resources cgroups oom

This challenge was prepared for you by the iximiuz Labs team.

Challenge, Easy, on Containers, Kubernetes

Copy Files To/From a Running Kubernetes Pod: a Simple Case

by Ivan Velichko

Practice copying files to/from running Kubernetes Pods to become a Kubernetes troubleshooting ninja.

kubernetes-101 kubectl debugging

This challenge was prepared for you by the iximiuz Labs team.

Challenge, Easy, on Kubernetes, Containers

Send a Signal to a Kubernetes App: a Simple Case

by Ivan Velichko

Learn how to send a signal to an application running as a Kubernetes pod.

debugging kubectl os-signal

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, Networking

Kubernetes Ingress: Expose Multiple HTTP Backends the Imperative Way

by Kaloyan Preslavski

Managing HTTP routing with Kubernetes Ingress resources the imperative way - host-based routing across namespaces, path-based routing, and a catch-all rule.

ckad ingress

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

Configure a Memory-Backed emptyDir Volume with a Size Limit

by Omkar Shelke

A Deployment is using a disk-backed emptyDir volume. Convert it to a memory-backed tmpfs volume for better performance — but make sure to set a size limit to prevent the Pod from exhausting the node's RAM.

ckad cka volumes emptydir deployment

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

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

CKA Practice: Upgrade Multi-Node Kubernetes Cluster

by Adam Leskis

This exercise tests your ability to safely upgrade a multi-node Kubernetes cluster from version 1.30 to 1.31 following the standard upgrade procedure.

cka

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