mysql忘记密码修改

/etc/init.d/mysql restart

vi /etc/my.cnf
[mysqld]
增加 skip-grant-tables
重启 mysql服务
use mysql

update user set password=password("123456") where user="root";

flush privileges;

OK 推出还原配置文件。
或者

Linux下，运行 /usr/local/mysql/bin/mysqld_safe --skip-grant-tables &
/usr/local/mysql/bin/mysql -u root -p
>use mysql
>update mysql.user set password=password("新密码") where user="root";
>flush privileges;