Challenges

Focused, hands-on problems for sharpening your DevOps and server-side skills. Some teach specific concepts while others mirror real-world scenarios. Every challenge includes hints, feedback, and automated solution checks.

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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, Hard, on Kubernetes

Automate etcd Snapshot Backups Using a CronJob

by Omkar Shelke

Learn how to configure a Kubernetes CronJob to automatically take etcd snapshot backups every 6 hours — a critical skill for cluster disaster recovery and operational health.

#cka #etcd #backup #cronjob #volumes

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

Challenge, Hard, on Kubernetes

Puzzle Block Game Application Is Gone, Recover It from etcd

by Omkar Shelke

Practice real-world disaster recovery — restore a deleted production workload by restoring an etcd snapshot and reconfiguring the etcd static pod to use the recovered data directory.

#cks #cka #etcd #restore #disaster-recovery

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

Take and Restore an etcd Snapshot on a Kubernetes Cluster

by Omkar Shelke

Learn how to take a snapshot backup of etcd and restore it to a specific directory — a critical skill for Kubernetes cluster disaster recovery.

#cka #etcd #backup #restore