Challenges | iximiuz Labs

This challenge was prepared for you by the iximiuz Labs team.

Challenge on Linux

Automate Drive Provisioning With a Shell Script

Turn the manual storage provisioning workflow into an automation script: partition, format, mount, and persist a blank drive with a single non-interactive script.

#storage #partition-table #filesystem

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

Reclaim a Retained PV with a New PVC and Restore a Lost MariaDB Database

by Omkar Shelke

A MariaDB deployment and its PVC were accidentally deleted. The PersistentVolume survived due to its Retain policy. Restore the database by rebinding the existing PV without losing any data.

#cka #ckad #persistentvolume #pvc #storage

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

Kubernetes - PV Reclaim Policies and Recovery

by Kaloyan Preslavski

Observe the Delete and Retain reclaim policies in action, recover a Released PV by patching claimRef, and recover data by creating a new PV pointing to the same storage directory.

#pv #pvc #storage #ckad

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

Kubernetes - Dynamic Provisioning with StorageClass

by Kaloyan Preslavski

Explore how the DefaultStorageClass admission controller injects storage classes, explicitly name a StorageClass, switch the cluster default, and inspect where local-path stores volumes on the node.

#storageclass #pvc #storage #ckad

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

Kubernetes - PersistentVolume Static Binding Patterns

by Kaloyan Preslavski

Learn the three static PV binding patterns - generic match, label selector, and bidirectional claimRef - then use a no-provisioner StorageClass with WaitForFirstConsumer to pin storage to a specific node.

#pv #pvc #storage #ckad

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

Kubernetes - emptyDir Volumes: Sharing, Lifecycle, and Memory-Backed Storage

by Kaloyan Preslavski

Use emptyDir volumes to share data between containers, understand the volume lifecycle across container restarts and pod deletion, and explore memory-backed ephemeral storage.

#volumes #emptydir #ckad #storage

This challenge was prepared for you by the iximiuz Labs team.

Challenge on Kubernetes, Containers

Mount Static Assets from an OCI Image into a Kubernetes Pod

by Ivan Velichko

Use Kubernetes image volumes to mount a static HTML artifact into an nginx Pod without an init container or a custom nginx image.

#kubernetes-101 #oci-image #storage #container-volume

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

Create a Redis StatefulSet with Stable Pod Identities and Persistent Storage

by Omkar Shelke

Create a StatefulSet and a Headless Service for a distributed caching system. Verify that Pods are created with stable ordinal names.

#cka #statefulset #headless-service #storage

This challenge was prepared for you by the iximiuz Labs team.

Challenge on Linux

Make a Filesystem Mount Survive a Reboot

by Ivan Velichko

Discover that a simple mount command doesn't survive a reboot and learn how to make mount points persistent using /etc/fstab or systemd.

#storage #mount #filesystem #fstab #systemd

This challenge was prepared for you by the iximiuz Labs team.

Challenge on Linux

Mount an Existing Directory at a New Location (bind mount)

by Ivan Velichko

Practice mapping existing directories to new paths using Linux bind mounts and see the core tech behind container volumes in action.

#storage #mount #filesystem