Upgrade a K3s Kubernetes Cluster with System Upgrade Controller
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Kubernetes upgrades are always a tough undertaking when your clusters are running smoothly. Upgrades are necessary as every three months, Kubernetes releases a new version. If you do not upgrade your Kubernetes clusters, within a year, you can fall far behind. Rancher has always focused on solving problems, and they are at it again with a new open source project called System Upgrade Controller. In this tutorial, we will see how to upgrade a K3s Kubernetes cluster using System Upgrade Controller.
https://rancher.com/blog/2020/upgrade-k3s-kubernetes-cluster-system-upgrade-controller/
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