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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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 Workloads: Pods

by Kaloyan Preslavski

Build a Pod from scratch, exec into it, try to edit an immutable field, explore all three restart policies, and observe graceful termination.

pod workloads 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, Containers

Customize nginx Startup Behavior with a postStart Lifecycle Hook

by Omkar Shelke

Create a Pod that uses a postStart lifecycle hook to write a custom message to the nginx welcome page, expose it via a NodePort Service, and verify the hook ran successfully.

ckad cka pod lifecycle-hooks

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

Copy a File into a Running Pod to Serve a Custom NGINX Page

by Omkar Shelke

A Pod is running nginx and exposed via NodePort. Copy a local HTML file into the running Pod so NGINX serves it as the default homepage using only imperative commands.

ckad cka kubectl 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

Disable ServiceAccount Token Automounting in a Pod

by Omkar Shelke

Create a Pod that does not mount the default ServiceAccount token, preventing it from accessing the Kubernetes API server.

cka ckad serviceaccount 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

Enforce Resource Policies Using LimitRange

by Omkar Shelke

Create a LimitRange in a namespace to enforce minimum, maximum, and default resource constraints for containers, then deploy a compliant Pod.

cka ckad limitrange resources 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

Manage Static Pod Lifecycle on a Cluster Node

by Omkar Shelke

Create a static pod named mcp-grafana on node-01 and delete an existing pod from the cluster.

static-pod cka pod kubelet

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

Grant a ServiceAccount Access to a Specific Secret Using RBAC

by Omkar Shelke

Create a ServiceAccount with permissions to access only that specific Secret using RBAC resourceNames restriction.

cka ckad rbac serviceaccount 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

Convert Pod to Deployment with Secret Management

by Omkar Shelke

Convert an existing Pod manifest into a Deployment and move the hardcoded environment variables into a Kubernetes Secret.

ckad deployment secret pod configuration

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

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, 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 pod multi-container cka