1. vi /etc/my.cnf

在[mysqld]的段中加上一句：skip-grant-tables

例如：

[mysqld] datadir=/var/lib/mysql socket=/var/lib/mysql/mysql.sock skip-name-resolve skip-grant-tables

保存并且退出vi。

 

 

2. 重新启动mysqld

/etc/init.d/mysqld restart

Stopping MySQL: [ OK ]

Starting MySQL: [ OK ]

 

 

3. 登录并修改MySQL的root密码

mysqlWelcome 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

 

4. 将MySQL的登录设置修改回来

vi /etc/my.cnf

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

保存并且退出vi。

 

 

5. 重新启动mysqld

/etc/init.d/mysqld restart

Stopping MySQL: [ OK ]

Starting MySQL: [ OK ]

 

6. 用新密码进行登陆

mysql -uroot -pnet-password