我遵循本教程是为了在 Docker 容器中本地运行 kubernetes 集群。当我运行时kubectl get nodes，我得到：
与服务器 localhost:8080 的连接被拒绝 - 您是否指定了正确的主机或端口？
我注意到一些由 kubelet 启动的容器，比如 apiserver，被退出了。这是输出docker ps -a：
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
778bc9a9a93c gcr.io/google_containers/hyperkube-amd64:v1.2.2 "/hyperkube apiserver" 3 seconds ago Exited (255) 2 seconds ago k8s_apiserver.78ec1de_k8s-master-sw-ansible01_default_4c6ab43ac4ee970e1f563d76ab3d3ec9_de6ff8f9
12dd99c83c34 gcr.io/google_containers/hyperkube-amd64:v1.2.2 "/setup-files.sh IP:1" 3 seconds ago Exited (7) 2 seconds ago k8s_setup.e5aa3216_k8s-master-sw-ansible01_default_4c6ab43ac4ee970e1f563d76ab3d3ec9_3283400b
ef7383fa9203 gcr.io/google_containers/hyperkube-amd64:v1.2.2 "/setup-files.sh IP:1" 4 seconds ago Exited (7) 4 seconds ago k8s_setup.e5aa3216_k8s-master-sw-ansible01_default_4c6ab43ac4ee970e1f563d76ab3d3ec9_87beca1b
b3896f4896b1 gcr.io/google_containers/hyperkube-amd64:v1.2.2 "/hyperkube scheduler" 5 seconds ago Up 4 …