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对于Mac上Homebrew安装的MySQL，默认情况下只能使用本地登录。而使用其它主机远程登录Mac上的MySQL则会被拒绝访问。下面修改MySQL的相关配置并使其能被远程主机访问。

1. 登录MySQL

mysql -u root -p -D mysql

2. 修改user表中root用户的Host值

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

查看下修改情况：

mysql> select user,host from user;+------------------+-----------+| user             | host      |+------------------+-----------+| root             | %         || mysql.infoschema | localhost || mysql.session    | localhost || mysql.sys        | localhost |+------------------+-----------+4 rows in set (0.00 sec)

3. 刷新权限

flush privileges;

4. 退出MySQL

exit

5. 修改MySQL服务绑定的IP

对于Homebrew安装的MySQL，默认的配置文件路径是/usr/local/etc/my.cnf：

# Default Homebrew MySQL server config[mysqld]# Only allow connections from localhostbind-address = 127.0.0.1mysqlx-bind-address = 127.0.0.1

将bind-address值修改为0.0.0.0：

# Default Homebrew MySQL server config[mysqld]# Only allow connections from localhostbind-address = 0.0.0.0mysqlx-bind-address = 127.0.0.1

6. 重启MySQL服务

brew services restart mysql

💡如果brew重启失败，有以下两种解决方案：

• 进入/usr/local/Cellar/mysql/<version>/bin目录下，使用mysql.server restart命令重启MySQL。注意"version"是你Mac上安装MySQL的版本号，请根据实际安装版本号来替换
• 可以选择重启Mac来达到重启MySQL服务的目的。重启Mac后，如果没有设置MySQL服务自启动，需要手动拉起MySQL服务：mysql.server start

验证

$ mysql -u root -p -h 192.168.0.100Enter password:Welcome to the MySQL monitor.  Commands end with ; or \g.Your MySQL connection id is 12Server version: 8.0.21 HomebrewCopyright (c) 2000, 2020, Oracle and/or its affiliates. All rights reserved.Oracle is a registered trademark of Oracle Corporation and/or itsaffiliates. Other names may be trademarks of their respectiveowners.Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.mysql>

远程登录成功。

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