k8s出错:The connection to the server localhost:8080 was refused - did you specif...

k8s使用时报错:

[welin@apiserver ~]$ kubectl get pod
The connection to the server localhost:8080 was refused - did you specify the right host or port?

出现这个问题的原因是kubectl命令需要使用kubernetes-admin来运行，解决方法如下，将主节点中的【/etc/kubernetes/admin.conf】文件拷贝到从节点相同目录下，然后配置环境变量：

解决办法:

echo "export KUBECONFIG=/etc/kubernetes/admin.conf" >> ~/.bash_profile

source ~/.bash_profile

这样就好了