当你使用客户端连接linux主机的mysql数据库，当不允许你连接时。进行如下设置，客户端即可正常连接。

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必须在mysql中修改

即 mysql>

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将下面的‘ServerIP’改为交互系统部署的服务器ip

将下面的‘youIP’改为您电脑的ip

nisuser表示要连接的数据库登陆名称

nis表示要连接的数据库登陆密码

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GRANT ALL PRIVILEGES ON *.* TO nisuser@ServerIP

IDENTIFIED BY 'nis' WITH GRANT OPTION;

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GRANT ALL PRIVILEGES ON *.* TO nisuser@youIP

IDENTIFIED BY 'nis' WITH GRANT OPTION;

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FLUSH PRIVILEGES;

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样例：

GRANT ALL PRIVILEGES ON *.* TO root@10.1.2.141

IDENTIFIED BY 'founder123' WITH GRANT OPTION;

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GRANT ALL PRIVILEGES ON *.* TO root@10.1.8.4

IDENTIFIED BY 'founder123' WITH GRANT OPTION;

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FLUSH PRIVILEGES;