Detailed explanation on Linux system authorization for MySQL external network access

Problem phenomenon

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MySQL Unable to connect through the external network.

Cause of the problem

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Execute in the bin directory of MySQL:

Log in to the data

mysql -uroot -p密码

use mysql;
select host,user,password from user;

You can see If user is root and host is localhost, it means that MySQL only allows local connection, so external network and local software clients cannot connect.

Solution

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Execute the following command:

update user set host='%' where user ='root';
flush privileges;

Check whether the modification is normal:

For the method of setting up remote connections for other users:

GRANT ALL PRIVILEGES ON 数据库名.* TO 账户@"%" IDENTIFIED BY "密码";
flush privileges;

You can test the external network connection to the MySQL server.

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