阿里云服务器连接mysql

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    如果阿里云服务器没有配置安全组，就无法远程连接mysql或者redis等等，所以记录一下我之前踩过的坑。

    2.打开阿里云服务器控制台。

    

    3.管理实例中，点击安全组按钮。

    

    4.添加安全组规则

    

    6.注意：在访问的时候，ip地址需要填写公网ip地址，私网IP是无法访问的。

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