https://kubernetes.io/ko/docs/concepts/configuration/organize-cluster-access-kubeconfig/
{home}/.kube
/root/.kube
apiVersion: v1
kind: Config
clusters:
- cluster:
contexts:
- context:
current-context:
users:
- name:
kubectl config view --kubeconfig my-kube-config
kubectl config --help
kubectl config --kubeconfig /root/my-kube-config use-context research