mysql8.0重置密码

重置mysql root

1、打开配置文件/etc/my.cnf，添加一行

skip-grant-tables

2、重启 service mysqld restart 或 systemctl restart mysqld

3、mysql -uroot -p进入

3.1 select host, user, authentication_string, plugin from user;

3.2  root 清空密码 update user set authentication_string='' where user='root';

3.3 修改密码 字母（大小写）数字特殊符

alter user 'root'@'localhost' identified by '你的新密码';

1. 使用 caching_sha2_password 插件

修改用户密码，并且用插件生成。

ALTER USER 'user'@'localhost' IDENTIFIED WITH caching_sha2_password BY 'password';

2、修改 /etc/mysql/my.cnf

[mysqld]

default_authentication_plugin= mysql_native_password

3、修改密码

ALTER USER 'user'@'localhost' IDENTIFIED WITH mysql_native_password BY 'password';