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.

This month's sponsor

Creem is the Merchant of Record behind iximiuz Labs — handling payments, global taxes, and compliance so we can focus on building labs instead of fighting VAT forms.

Find challenges matching your interests...

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, Medium, on Containers

Edit a File in a Running Container: a Slim Base Image Case

by Ivan Velichko

Can you edit a file in a running container? What if there is no shell?

debugging slim-image distroless docker

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, Medium, on Containers

When a FROM scratch Container Image Is Not Good Enough

by Ivan Velichko

Learn on practice the limitations of FROM scratch images and the ways to mitigate them.

docker container-image debugging slim-image distroless

See all official challenges →