Challenge, Medium, on
Transfer Container Images to an Air-Gapped Environment
Get container images onto a server that has no route to the Internet or access to a container registry.
Submissions: 33/44
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.
Challenge, Easy, on
Troubleshoot an Image Conversion Daemon
An image conversion daemon was installed from a vendor package, but it fails to start. Diagnose why the binary cannot be loaded and fix the installation.
Submissions: 43/59
Challenge, Easy, on
Troubleshoot a Log Shipping Daemon That Refuses to Start
A system daemon crashes on startup with a cryptic, non-actionable error message. Investigate the failure, identify its root cause, and get the service running.
Challenge, Medium, on
Extract a tar Archive with Permissions, Ownership, and Extended Attributes Preserved
Practice extracting a container-style rootfs tarball while preserving the original file permissions, ownership, and extended attributes (including Linux capabilities).
Submissions: 34/50
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?
eBPF Challenge for Beginners
In this challenge, you’ll debug and fix a deliberately “broken” eBPF program, then prove it’s running by identifying its program and map IDs. Along the way, you’ll explore bpftool, check which helpers are supported, and dig into details like the UID of the loader. Finally, you’ll test your knowledge of eBPF maps by recalling the flag that only inserts a key if it doesn’t already exist.
Submissions: 106/321
Dagger: Working with Secrets
Get hands-on with reading secrets from different providers and using them in your Dagger pipelines.
Submissions: 6/30
Challenge, Easy, on
Dagger: Module Dependencies
Learn how to install, update and uninstall Dagger module dependencies.
Submissions: 3/8
Community Collection
Challenges contributed by the community members sharing their knowledge and expertise.
Kubernetes Ingress: Expose Multiple HTTP Backends the Imperative Way
Managing HTTP routing with Kubernetes Ingress resources the imperative way - host-based routing across namespaces, path-based routing, and a catch-all rule.
Expose Internal Services Using NGINX Kubernetes Gateway API
by Omkar Shelke
Configure a Kubernetes Gateway API setup to expose aviation platform services using path-based routing for flight and booking services.
Submissions: 27/43
Challenge, Easy, on
The SED command : Survival Guide - What You Must Know
Master **sed**, the essential stream editor for Linux SysAdmins. Progress through 10 tasks: simple & global substitution, regex patterns, line ranges, deletion, insertion, ... Work with realistic Rocky Linux system files in /home/laborant/sed_challenge/.
Submissions: 38/80
Challenge, Easy, on
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.
Submissions: 91/267