docker swarm：Error response from daemon: rpc error: code = Unavailable desc = grpc: the connection is unavailable
2017-12-18 16:01
1526 查看
环境：cetos7
描述：创建完docker swarm，想把node主机加入swarm中，执行以下命令时，报错
无法连接！
原因是：防火墙！！！！！！！没关！！！！
解决办法是：关闭防火墙
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