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 Kubernetes, Containers

Kubernetes Pod With a Faulty Init Sequence

by Ivan Velichko

Identify what causes the Pod initialization to fail and fix it while keeping the Pod images unchanged.

sidecar init-container

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

Challenge, Medium, on Kubernetes, Containers

Kubernetes Pod With a Sleepy Init Sequence

by Ivan Velichko

Identify what causes the Pod initialization to fail and fix it while keeping the Pod images unchanged.

sidecar init-container

Community Collection

Challenges contributed by the community members sharing their knowledge and expertise.

This challenge was created by a community author. Community content is reviewed by the iximiuz Labs team on a best effort basis.

Challenge, Medium, on Kubernetes

Add a Sidecar Log Tailer to an Existing Deployment

by Omkar Shelke

Add a sidecar container to an existing Deployment that tails a shared log file written by the main application container. Use a shared volume to make the log file available to both containers.

ckad cka sidecar volumes pods

This challenge was created by a community author. Community content is reviewed by the iximiuz Labs team on a best effort basis.

Challenge, Medium, on Kubernetes

Exclude a Sidecar from VPA Using Per-Container Resource Policy

by Omkar Shelke

Configure a Vertical Pod Autoscaler (VPA) with a per-container resource policy that provides recommendations for the main container while excluding the sidecar container from any VPA-managed scaling.

cka vpa resources sidecar deployment

This challenge was created by a community author. Community content is reviewed by the iximiuz Labs team on a best effort basis.

Challenge, Medium, on Kubernetes

Deploy a Pod with a Sidecar Log Shipper Using Init Container Pattern

by Omkar Shelke

Create a Pod with a main application container and a sidecar container that continuously streams shared logs. Kubernetes implements sidecar containers as a special case of init containers.

ckad cka init-container sidecar volumes