[Kubernetes] Get "http://localhost:8080/api?timeout=32s": dial tcp 127.0.0.1:8080: connect: connection refused

 

$ echo $KUBECONFIG
empty

$ kubectl get pods
E1002 10:16:21.854341  105845 memcache.go:265] couldn't get current server API group list: Get "http://localhost:8080/api?timeout=32s": dial tcp [::1]:8080: connect: connection refused

$ KUBECONFIG=$HOME/.kube/config

$ kubectl get pods
No resources found in default namespace.