linux mysql下忘记root密码解决办法

1 修改MySQL的登录设置

# vi /etc/my.cnf

在[mysqld]的中加上一句：skip-grant-tables

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

# /usr/bin/mysql

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 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

保存并且退出vi。

5 重新启动mysqld

# /etc/init.d/mysqld restart

Stopping MySQL: [ OK ]

Starting MySQL: [ OK ]

Work for fun,Live
for love!