How do I upgrade my version of Kubernetes?

Upgrading Kubernetes: A Step-by-Step Guide 1Login into the first node and upgrade the kubeadm tool only: 2Verify the upgrade plan: 3Apply the upgrade plan: 4Update Kubelet and restart the service: 5Apply the upgrade plan to the other master nodes: 6Upgrade kubectl on all master nodes: Click to see full answer. Accordingly, how do I upgrade ETCD? Upgrade procedure Step 1: check upgrade requirements. Is the cluster healthy and running v3. Step 2: download snapshot backup from leader. Step 3: stop one existing etcd server. Step 4: restart the etcd server with same configuration. Step 5: repeat step 3 and step 4 for rest of the members. Likewise, what is a rolling upgrade? Rolling upgrade refers to the process where software is developed continuously and the updates are released in between the major releases. These updates are compatible with earlier versions where complete re-installation of the software is not required. More information on rolling upgrades – Rolling release. Secondly, what is rolling update in Kubernetes? Updating an application In Kubernetes this is done with rolling updates. Rolling updates allow Deployments’ update to take place with zero downtime by incrementally updating Pods instances with new ones. In Kubernetes, updates are versioned and any Deployment update can be reverted to a previous (stable) version.How do I update deployments? You update your deployment by following these steps: Make changes to or create a configuration file with the changes you want. Optionally, pick the policies to use for your updates or use the default policies. Make the update request to Deployment Manager.