안녕하세요. 클러스터 구성 중 아래와 같은 런타임 이슈가 발생하여 내용을 정리했습니다. Error) The connection to the server localhost:8080 was refused — did you specify the right host or port ubuntu@k8s-master:~$ kubectl get nodes E0421 07:15:32.302425 2164 memcache.go:265] couldn't get current server API group list: Get "http://localhost:8080/api?timeout=32s": dial tcp 127.0.0.1:8080: connect: connection refused E0421 07:15:32.30279..