Kubernetes is a complicated piece of software. As such, there are a number of components that an administrator needs to be aware of. Some will be used everyday while others will work quietly in the background to keep everything running.
Following are the command-line tools:
kubeadm: This tool was added in Kubernetes 1.4, as of this writing, still considered an alpha tool. It is the new installer for Kubernetes on Linux hosts.
kubectl: This is the main tool used to interact with a running cluster. It is used to add pods and services, perform rolling updates, and much more. Nearly everyone who interacts with Kubernetes will use
These components run on the master node. They are responsible for all of the high level controls of the cluster. Following are the master components:
etcd: This is where Kubernetes keeps its cluster configuration. Make sure this is backed up or you will be unable to recover your cluster in the event...