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, Linux

Execute Host Commands Inside a Running Container

by Ivan Velichko

Leverage your knowledge of Linux namespaces to reach an application's internal debug interface without installing anything into the container.

docker debugging distroless nsenter

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, 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

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