mysql 忘記密碼

1.結束mysql 服務

service mysqld stop

#或 /etc/init.id/mysqld stop

2. 使用 「--skip-grant-tables」參數從新啓動mysql

[root@NetDakVPS ~]# mysqld_safe --skip-grant-tables &
[1] 23810
Starting mysqld daemon with databases from /var/lib/mysql

3.用root賬號登陸mysql

[root@NetDakVPS ~]# mysql -u root
Welcome to the MySQL monitor. Commands end with ; or g.
Your MySQL connection id is 1
Server version: 5.0.77 Source distributionType 'help;' or 'h' for help. Type 'c' to clear the buffer.

4：改變用戶數據庫

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 -ADatabase changed 

5：修改密碼，記得密碼要用password()函數進行加密

mysql> update user set password=password('netdak') where user='root';
Query OK, 1 row affected (0.04 sec)
Rows matched: 1 Changed: 1 Warnings: 0 

六：刷新權限表

mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec) 

七：退出mysql

mysql> quit

八：對mysql進行重啓

[root@NetDakVPS ~]# service mysqld restart;
STOPPING server from pid file /var/run/mysqld/mysqld.pid
100421 13:44:03 mysqld endedStopping MySQL: [ OK ]
Starting MySQL: [ OK ]
[1]+ Done mysqld_safe --skip-grant-tables 

九：用更改過的密碼從新登陸便可。

[root@NetDakVPS ~]# mysql -u root -p
Enter password: netdak
Welcome to the MySQL monitor. Commands end with ; or g.
Your MySQL connection id is 2
Server version: 5.0.77 Source distributionType 'help;' or 'h' for help. Type 'c' to clear the buffer.mysql> quit
Bye