2 Kubernetes cluster
This chapter covers
- Control plane and worker node components in a multinode cluster
- Upgrading control plane components with kubeadm
- Investigating Pod and node networking
- Backing up and restoring etcd
- Taints and tolerations
The Kubernetes cluster architecture is almost impossible to grasp without getting inside a running cluster and discovering the components firsthand. No matter how you look at it, as Kubernetes administrators, we have to know what’s happening under the hood. When you finish this chapter, you will feel comfortable accessing all the components in a Kubernetes cluster, upgrading components when needed, and backing up the cluster configuration.
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