kubeadm报错：The connection to the server localhost:8080 was refused - did you specify the right host
The connection to the server localhost:8080 was refused - did you specify the right host or port?报错现象[root@k8s-node1 ~]# kubectl apply -f calico.yamlThe connection to the server localhost:8080 was ref
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The connection to the server localhost:8080 was refused - did you specify the right host or port?
报错现象
[root@k8s-node1 ~]# kubectl apply -f calico.yaml
The connection to the server localhost:8080 was refused - did you specify the right host or port?
报错原因
kubectl命令需要使用kubernetes-admin来运行
解决方法
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
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