linux中mysql开启远程访问功能_MySQL
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linux中mysql开启远程访问功能
1、基本原理
mysql安装成功之后,默认的是没有开启远程访问的权限,只有本地才可以进行访问
mysql默认的相关配置实际上是在mysql数据库中mysql用户中的user表中,只需要修改此表中相关记录即可实现
具体查看方式可以参考下图所示:
2、添加新用户进行授权
#grant all privileges on *.* to 创建的用户名 @”%” identified by “密码”;
#flush privileges; #刷新刚才的内容
#格式:grant 权限 on 数据库名.表名 to 用户@登录主机 identified by “用户密码”;
#@后面是访问mysql的客户端IP地址(或是 主机名) % 代表任意的客户端
#如果填写 localhost 为本地访问(那此用户就不能远程访问该mysql数据库了)。
3、为现有的用户设置远程访问权限
#use mysql;
#update db set host = ‘%’ where user = ‘用户名’;
#如果写成 host=localhost 那此用户就不具有远程访问权限
#FLUSH PRIVILEGES;
4、查看修改后的结果
#use mysql;
#select host,user,password from user;
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