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, 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, 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

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

Challenge, Medium, on Kubernetes, Containers, Networking

What Port Does This Kubernetes Pod Listen On?

by Ivan Velichko

Be a networking Sherlock Holmes - find out which port a Kubernetes app uses and send a request to it.

debugging slim-image distroless socket ss

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

Challenge, Medium, on Kubernetes, Containers

Send a Signal to a Kubernetes App: a Slim Container Case

by Ivan Velichko

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

ephemeral-container debugging slim-image distroless