Challenges

Focused, hands-on problems for sharpening your DevOps and server-side skills. Some teach specific concepts while others mirror real-world scenarios. Every challenge includes hints, feedback, and 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, Hard, on Kubernetes

Troubleshoot a Website That Is Not Accessible

by Omkar Shelke

A web application is deployed but the website is not accessible. Investigate and fix the issue.

#ckad #cka #troubleshooting #service #debugging

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

Challenge, Hard, on Containers, Kubernetes

Copy Files To/From a Running Kubernetes Pod: a Distroless Image Case

by Ivan Velichko

An ultimate Kubernetes debugging challenge: can you copy files to/from a running Pod that doesn't have a shell or other command line tools installed?

#kubectl #distroless #debugging

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

Challenge, Hard, on Containers, Kubernetes

Edit a File in a Running Kubernetes Pod: a Tricky Case

by Ivan Velichko

Can you edit a file in a running Kubernetes pod? What if there is no shell inside and the container's user lacks the write permission?

#debugging #slim-image #distroless #kubectl

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

Challenge, Hard, on Kubernetes, Containers

Send a Signal to a Kubernetes App: a Non-Root Container Case

by Ivan Velichko

Learn how to send a signal to a Kubernetes app running in an unprivileged container without shell.

#ephemeral-container #debugging #slim-image #distroless