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, 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 Containers

Pick the Right Distroless Base Image For Your Application

by Ivan Velichko

Not all distroless images are created equal. Can you find the right base image for the application in this challenge?

container-image slim-image distroless docker

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