MySQL连接报错：1130 - Host '10.127.109.21' is not allowed to connect to this MySQL server

MySQL连接报错：1130 - Host '10.127.109.21' is not allowed to connect to this MySQL server 1、连接服务器: mysql -u root -p 2、查看当前所有数据库：show databases; 3、进入mysql数据库：use mysql; 4、查看mysql数据库中所有的表：show tables; 5、查看us

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