Make a Kubernetes Pod Survive an OOM Event Without Restarting
Hack your way through this challenge making the OOM kills invisible again.
Submissions: 104/391
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.
Official Collection
Challenges crafted by iximiuz Labs to help you master DevOps and Server Side topics.
Copy Files To/From a Running Kubernetes Pod: a Distroless Image Case
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?
Submissions: 92/283
Edit a File in a Running Kubernetes Pod: a Tricky Case
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?
Submissions: 108/422
Send a Signal to a Kubernetes App: a Non-Root Container Case
Learn how to send a signal to a Kubernetes app running in an unprivileged container without shell.
Submissions: 107/200
Independent Authors
Challenges from outstanding independent authors proudly hosted by iximiuz Labs.
Challenge, Hard, on
Kube Mysteries: The Invisible Pod
Did you know that pods can become invisible? Can you figure out how?
Community Collection
Challenges contributed by the community members sharing their knowledge and expertise.
Kubernetes - Build and Deploy a Production-Ready Container Image
Combine multi-stage builds, build-time arguments, non-root users, and Pod security context into a single production-grade image pipeline.
Submissions: 5/8
Challenge, Hard, on
Troubleshoot a Website That Is Not Accessible
by Omkar Shelke
A web application is deployed but the website is not accessible. Investigate and fix the issue.
Submissions: 36/68