Challenges | iximiuz Labs

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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, Easy, on Kubernetes, Containers

Deploy a Pod with a Container Image from a Private Registry

by Ivan Velichko

Practice configuring Kubernetes to pull images from a private registry and run Pods with authenticated registry access.

kubernetes-101 container-registry container-image kubectl

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

Challenge, Easy, on Kubernetes, Containers

Deploy a Resource-Greedy Pod Without Breaking the Kubernetes Cluster

by Ivan Velichko

Prove your SRE skills - deploy a resource-greedy application to a Kubernetes cluster and make it run for a while without disrupting the service.

kubernetes-101 pod-resources cgroups oom

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

Challenge, Easy, on Containers, Kubernetes

Copy Files To/From a Running Kubernetes Pod: a Simple Case

by Ivan Velichko

Practice copying files to/from running Kubernetes Pods to become a Kubernetes troubleshooting ninja.

kubernetes-101 kubectl debugging

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

Challenge, Easy, on Kubernetes, Containers

Send a Signal to a Kubernetes App: a Simple Case

by Ivan Velichko

Learn how to send a signal to an application running as a Kubernetes pod.

debugging kubectl os-signal

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, Easy, on Kubernetes

Resolve OOMKilled Errors by Reading VPA Memory Recommendations

by Omkar Shelke

Troubleshoot a Deployment where containers are repeatedly OOMKilled. Inspect Vertical Pod Autoscaler (VPA) recommendations and manually apply the recommended memory request and memory limit to stabilize the workload.

cka vpa resources oomkilled deployment

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

Challenge, Easy, on Kubernetes

Kubernetes Pod Lifecycle Fundamentals

by Adithya G

Practice the fundamental lifecycle of a Kubernetes Pod: creation, inspection (IP, node), interaction (executing commands, checking logs), and deletion.

kubernetes-101 pods kubectl

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

Challenge, Easy, on Kubernetes

CKA Practice: Upgrade Multi-Node Kubernetes Cluster

by Adam Leskis

This exercise tests your ability to safely upgrade a multi-node Kubernetes cluster from version 1.30 to 1.31 following the standard upgrade procedure.

cka

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

Challenge, Easy, on Kubernetes

Disable ServiceAccount Token Automounting in a Pod

by Omkar Shelke

Create a Pod that does not mount the default ServiceAccount token, preventing it from accessing the Kubernetes API server.

cka ckad serviceaccount pod

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