k8s坑The connection to the server localhost:8080 was refused - did you specify the right host or port

定义一个mysql的RC文件：mysql-rc.yaml

apiVersion: v1
kind: ReplicationController
metadata:
name: mysql
spec:
replicas: 1
selector:
app: mysql
template:
metadata:
labels:
app: mysql
spec:
containers:
- name: mysql
image: mysql
ports:
- containerPort: 3306
env:
- name: MYSQL_ROOT_PASSWORD
value: "123456"

发布到k8s集群中

# kubectl create -f mysql-rc.yaml

报错：

The connection to the server localhost:8080 was refused - did you specify the right host or port?

没有启动k8s集群或启动顺序不对，重新按一下顺序启动所有服务：

# systemctl start etcd
# systemctl start docker
# systemctl start kube-apiserver
# systemctl start kube-controller-manager
# systemctl start kube-scheduler
# systemctl start kubelet
# systemctl start kube-proxy

然后再发布mysql-rc.yaml就不报错了

最后

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