Problems

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19 of 277 problems

Title	Topic	Acceptance	Difficulty	XP
Hard Links and Symbolic LinksCreate a symlink and a hard link to the same release file and see how they differ.easyLinux10 XP	Linux	New	easy	10
Backport One Fix with cherry-pickCopy a single bug-fix commit from a release branch onto main without merging anything else.mediumGit20 XP	Git	New	medium	20
Tag a Release on the Right CommitCreate an annotated release tag on a specific older commit, not on HEAD.easyGit10 XP	Git	New	easy	10
Branch Protection and RulesetsAn organization has 40 repositories. On main and every release/ branch in all of them, it wants to require a pull request with one approval and block force pushhardGit8 XP	Git	New	hard	8
Roll Back a Broken Helm UpgradeThe latest Helm upgrade broke a release. Find the last good revision in its history and roll back to it.mediumKubernetes20 XP	Kubernetes	New	medium	20
Upgrade a Helm Release Without Losing Its SettingsMove a release to the newest chart version in the repository while keeping every custom value.mediumKubernetes20 XP	Kubernetes	New	medium	20
Remove Releases of a Deprecated ChartFind every release that still runs a deprecated chart version, in any namespace, and uninstall only those.easyKubernetes10 XP	Kubernetes	New	easy	10
Unstick a Helm ReleaseEvery Helm upgrade fails with "another operation is in progress". Recover the release and finish the upgrade the team asked for.hardKubernetes40 XP	Kubernetes	New	hard	40
Package a Chart into a RepositoryPackage a chart at the version the release team asked for and publish it in a chart repository folder with an index.easyKubernetes10 XP	Kubernetes	New	easy	10
Stuck in PendingA new release never starts; its Pods sit in Pending. Read the scheduler's events, find the cause and fix it the right way.mediumKubernetes20 XP	Kubernetes	New	medium	20
Someone Edited a Helm Release by HandQuick kubectl fixes changed a Helm-managed app behind Helm's back. Put the objects back to what the release defines, using Helm, without uninstalling.mediumKubernetes20 XP	Kubernetes	New	medium	20
Values the Chart RejectsThe chart validates its values against a JSON Schema, and your team's values file fails it. Fix the values file, not the chart, and install the release.easyKubernetes10 XP	Kubernetes	New	easy	10
Patch a Chart Without Forking ItA vendor chart has no values for the scheduling rule your platform requires. Install it with a Kustomize post-renderer that adds it, so the change stays part of the release.hardKubernetes40 XP	Kubernetes	New	hard	40
Rolling Back a Helm Releasehelm upgrade shop ./chart -f prod-values.yaml broke the app. helm history shop shows the last good release is revision 3. What is the cleanest way back?easyKubernetes3 XP	Kubernetes	New	easy	3
Canary Releases with LabelsService shop selects app: shop. You want roughly 10% of traffic to go to version 2 using only core Kubernetes objects. Which setup works?easyKubernetes3 XP	Kubernetes	New	easy	3
Charts, Releases and RevisionsYou run helm install api internal/webapp -n shop, then helm upgrade api internal/webapp -n shop --set replicaCount=3. Which statement is true?easyKubernetes3 XP	Kubernetes	New	easy	3
Upgrades That Forget SettingsA release was installed with --set config.logLevel=debug. Later someone runs helm upgrade web internal/webapp --set replicaCount=3, and the log level silently gmediumKubernetes5 XP	Kubernetes	New	medium	5
Seeing the YAML Before You InstallYou want the manifests a chart would create, saved to a file, without contacting the cluster or creating a release. Which command fits?easyKubernetes3 XP	Kubernetes	New	easy	3
Blue-Green vs CanaryWhich description matches a canary release?mediumCI/CD5 XP	CI/CD	New	medium	5