Omkar Shelke | iximiuz Labs

Materials by Omkar Shelke

Explore tutorials, challenges, courses, and more published by this author.

Challenges by Omkar Shelke

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

Scale Deployment and Expose via NodePort Service

by Omkar Shelke

An existing e-commerce frontend application is running in Kubernetes. Scale the deployment to handle increased traffic and expose it using a NodePort Service with proper labeling.

deployment scaling service nodeport ckad

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

Multi-Container Pod Security Design

by Omkar Shelke

Create a multi-container Pod with different user IDs per container while sharing a common group ID at the Pod level for collaborative file access.

kubernetes-101 security-context pod multi-container 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

Extracting and Decoding ServiceAccount Token from Kubernetes Secret

by Omkar Shelke

Identify the Secret linked to a ServiceAccount, extract and decode the Base64-encoded token, and verify it contains a valid JWT structure.

serviceaccount secret jwt cka ckad

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

Launching the Headlamp Kubernetes Dashboard with Helm

by Omkar Shelke

Deploy the Headlamp Kubernetes UI using Helm, expose it via a NodePort Service, and generate a ServiceAccount token to authenticate to the UI.

helm headlamp cka

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

Place One Pod per Node Without Using a DaemonSet

by Omkar Shelke

Deploy a multi-container Kubernetes Deployment and ensure that no more than one Pod runs on the same worker node, without using a DaemonSet.

scheduling deployment cka multi-container

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 Containers

Hardening Docker Containers Using gVisor Runtime

by Omkar Shelke

Configure Docker to use gVisor (runsc) as the default runtime and verify kernel isolation between the host and containers.

docker container-runtime gvisor containerd