Mount Static Assets from an OCI Image into a Kubernetes Pod
Use Kubernetes image volumes to mount a static HTML artifact into an nginx Pod without an init container or a custom nginx image.
Submissions: 126/203
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.
Official Collection
Challenges crafted by iximiuz Labs to help you master DevOps and Server Side topics.
Deploy a Pod with a Container Image from a Private Registry
Practice configuring Kubernetes to pull images from a private registry and run Pods with authenticated registry access.
Submissions: 407/735
Diagnose and Resolve Stability Issues in a Go Application Deployment
This challenge focuses on debugging memory usage issues in a Go application deployed in a Kubernetes cluster. The goal is to ensure the application can handle moderate traffic without crashing, even when it runs with significantly constrained memory resources.
Submissions: 357/706
Make a Kubernetes Pod Survive an OOM Event Without Restarting
Hack your way through this challenge making the OOM kills invisible again.
Submissions: 117/435
Independent Authors
Challenges from outstanding independent authors proudly hosted by iximiuz Labs.
Challenge, Hard, on
Kube Mysteries: The Invisible Pod
Did you know that pods can become invisible? Can you figure out how?
Community Collection
Challenges contributed by the community members sharing their knowledge and expertise.
Challenge, Hard, on
Puzzle Block Game Application Is Gone, Recover It from etcd
by Omkar Shelke
Practice real-world disaster recovery — restore a deleted production workload by restoring an etcd snapshot and reconfiguring the etcd static pod to use the recovered data directory.
Submissions: 12/19
Challenge, Easy, on
Inject an Ephemeral Container into a Distroless Pod and Test Cross-Namespace HTTP
by Omkar Shelke
A distroless pod running in the cherry namespace has no shell or debugging tools. Use kubectl debug to attach an ephemeral container, test connectivity to the request-logger service, and verify the request was received in its logs.
Submissions: 23/25
Challenge, Medium, on
Take and Restore an etcd Snapshot on a Kubernetes Cluster
by Omkar Shelke
Learn how to take a snapshot backup of etcd and restore it to a specific directory — a critical skill for Kubernetes cluster disaster recovery.
Challenge, Easy, on
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.
Submissions: 48/71