In a Kubernetes cluster, the name of a resource is a unique identifier within a Namespace. Using a Kubernetes Namespace could separate user spaces for different environments in the same cluster. It gives you the flexibility of creating an isolated environment and partitioning resources to different projects and teams. You may consider Namespace as a virtual cluster. Pods, Services, and Deployments are contained in a certain Namespace. Some low-level resources, such as nodes and persistentVolumes, do not belong to any Namespace.
Before we dig into the resource Namespace, let's understand kubeconfig and some keywords first:
kubeconfig is used to call the file which configures the access permission of Kubernetes clusters. As the original configuration of the system, Kubernetes takes $HOME/.kube/config as a kubeconfig...
