linux下mysql的root密码忘记解决方法

linux下mysql的root密码忘记解决方

1. vi /etc/my.cnf 

在[mysqld]的段中加上一句：skip-grant-tables

2.重新启动mysqld 

3.登陆修改密码

/usr/bin/mysql -uroot -p

Welcome to the MySQL monitor. Commands end with ; or \g. 

Your MySQL connection id is 3 to server version: 3.23.56 

Type 'help;' or '\h' for help. Type '\c' to clear the buffer. 

mysql> USE mysql ; 

Reading table information for completion of table and column names 

You can turn off this feature to get a quicker startup with -A 

Database changed 

mysql> UPDATE user SET Password = password ( 'new-password' ) WHERE User = 'root' ; 

Query OK, 0 rows affected (0.00 sec) 

Rows matched: 2 Changed: 0 Warnings: 0 

mysql> flush privileges ; 

Query OK, 0 rows affected (0.01 sec) 

mysql> quit 

Bye

4.vi /etc/my.cnf 

将刚才在[mysqld]的段中加上的skip-grant-tables删除 

5.重启mysql