The connection to the server localhost:8080 was refused

解决k8s集群在节点运行kubectl出现的错误：The connection to the server localhost:8080 was refused - did you specify the right host or port？

问题分析：

  解决办法：

    将主节点（master节点）中的【/etc/kubernetes/admin.conf】文件拷贝到从节点相同目录下:

scp -r /etc/kubernetes/admin.conf ${node1}:/etc/kubernetes/admin.conf

    配置环境变量：

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

    立即生效：

source ~/.bash_profile

具体操作截图：