kubectl version报did you specify the right host or port

现象：

[root@localhost shell]# kubectl version
Client Version: version.Info{Major:"1", Minor:"10", GitVersion:"v1.10.3", GitCommit:"2bba0127d85d5a46ab4b778548be28623b32d0b0", GitTreeState:"clean", BuildDate:"2018-05-21T09:17:39Z", GoVersion:"go1.9.3", Compiler:"gc", Platform:"linux/amd64"}
The connection to the server 192.168.111.104:8443 was refused - did you specify the right host or port?

查看进程

[root@localhost kubernetes]# ps -aux|grep kube
root      14558  0.0  1.1  46972 21372 pts/0    Sl   15:17   0:00 kubectl proxy --port=8443
root      18251  0.0  0.0 112708   980 pts/0    S+   15:22   0:00 grep --color=auto kube
kube     127353  0.8  4.6 141504 85872 ?        Ssl  11:43   1:52 /usr/bin/kube-apiserver --logtostderr=true --v=0 --etcd-servers=http://127.0.0.1:2379 --insecure-bind-address=127.0.0.1 --allow-privileged=false --service-cluster-ip-range=10.254.0.0/16 --admission-control=NamespaceLifecycle,NamespaceExists,LimitRanger,SecurityContextDeny,ResourceQuota
kube     127368  2.2  2.4 169288 44860 ?        Ssl  11:43   4:58 /usr/bin/kube-controller-manager --logtostderr=true --v=0 --master=http://127.0.0.1:8080
kube     127381  0.2  1.8 157404 34404 ?        Ssl  11:43   0:29 /usr/bin/kube-scheduler --logtostderr=true --v=0 --master=http://127.0.0.1:8080
root     127412  0.9  2.2 301156 41720 ?        Ssl  11:43   2:04 /usr/bin/kube-proxy --logtostderr=true --v=0 --master=http://127.0.0.1:8080

关键进程kube-apiserver,kube-controller-manager,kube-scheduler,kube-proxy都在

解决

删除/etc/kubernetes/config

[root@localhost kubernetes]# cd /root/.kube
[root@localhost .kube]# ls
config
[root@localhost .kube]# cat config
apiVersion: v1
clusters:
- cluster:
    certificate-authority: /root/.minikube/ca.crt
    server: https://192.168.111.104:8443
  name: minikube
contexts:
- context:
    cluster: minikube
    user: minikube
  name: minikube
current-context: minikube
kind: Config
preferences: {}
users:
- name: minikube
  user:
    client-certificate: /root/.minikube/client.crt
    client-key: /root/.minikube/client.key
[root@localhost .kube]# ls
config
[root@localhost .kube]# rm config
rm: remove regular file ‘config’? y

重启服务

[root@localhost .kube]# systemctl restart kube-apiserver
[root@localhost .kube]# systemctl restart kube-controller-manager
[root@localhost .kube]# systemctl restart kube-scheduler
[root@localhost .kube]# systemctl restart kube-proxy

验证

[root@localhost .kube]# kubectl version
Client Version: version.Info{Major:"1", Minor:"10", GitVersion:"v1.10.3", GitCommit:"2bba0127d85d5a46ab4b778548be28623b32d0b0", GitTreeState:"clean", BuildDate:"2018-05-21T09:17:39Z", GoVersion:"go1.9.3", Compiler:"gc", Platform:"linux/amd64"}
Server Version: version.Info{Major:"1", Minor:"5", GitVersion:"v1.5.2", GitCommit:"269f928217957e7126dc87e6adfa82242bfe5b1e", GitTreeState:"clean", BuildDate:"2017-07-03T15:31:10Z", GoVersion:"go1.7.4", Compiler:"gc", Platform:"linux/amd64"}
[root@localhost .kube]# ls
http-cache
[root@localhost .kube]# pwd
/root/.kube
[root@localhost .kube]# ls
http-cache
[root@localhost .kube]# cat http-cache/
cat: http-cache/: Is a directory
[root@localhost .kube]# kubectl get nodes
No resources found.

[root@localhost .kube]# kubectl get componentstatus
NAME STATUS MESSAGE ERROR
etcd-0 Healthy {"health":"true"}
scheduler Healthy ok
controller-manager Healthy ok
[root@localhost .kube]#

问题解决

网上方法k8s V1.11.1报错：The connection to the server localhost:8080 was refused,不过没有解决我的问题