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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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

Submissions: 19/26

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

Challenge on Kubernetes·Medium

Kubernetes Workloads: CronJobs

by Kaloyan Preslavski

Create a CronJob, trigger Jobs manually, limit job history, suspend the schedule, and observe all three concurrencyPolicy modes: Allow, Forbid, and Replace.

#workloads #ckad #cronjob #ownerreferences #scheduling

Submissions: 16/17

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