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How to update Kubernetes dashboard in hosted Kubernetes on GKE?

We are using the hosted version of Kubernetes inside the Google Container Engine (GKE).

We are currently on version 1.3.x, which comes with the Kubernetes v1.1.1 toolbar.

A few days ago, Kubernetes Dashboard v1.4.0 was released, which includes some very nice improvements.

My Question : What is the recommended way to update the Kubernetes control panel on a hosted Kubernetes cluster ( GKE )?

The cluster has a control panel controlled by the replication controller. We could just reset the RC configuration, edit the tag and image tags and apply it. But I do not want to break the dashboard. Therefore, I would like to know what the “official” or proposed way to do this is.

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The official way is to upgrade your cluster to 1.4. It should be available a few days after the release of Kubernetes 1.4. You can do this through the gcloud CLI or the Google Cloud Console (click "Update Available" next to your cluster).

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GKE could not handle this during updates on my clusters. Reinstall from kubernetes git repo:

☀ kubectl apply -f https://rawgit.com/kubernetes/dashboard/master/src/deploy/kubernetes-dashboard.yaml

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