学习CentOS Linux的时候经常会忘记各种密码,本文主要说明在使用CentOS的过程中,忘记MySQL数据库密码的解决办法。 第一步:通过如下代码,停止MySQL服务器的运行 01 02 [root@CentOs5 ~]# service mysqld stop Stopping MySQL: [ OK ] 第二步:使用 “–ski
学习CentOS Linux的时候经常会忘记各种密码,本文主要说明在使用CentOS的过程中,忘记MySQL数据库密码的解决办法。
第一步:通过如下代码,停止MySQL服务器的运行
01 02 | [root@CentOs5 ~]# service mysqld stop
Stopping MySQL: [ OK ]
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第二步:使用 “–skip-grant-tables”参数重新启动mysql
01 02 03 | [root@CentOs5 ~]# mysqld_safe --skip-grant-tables &
[1] 23810
[root@CentOs5 ~]# Starting mysqld daemon with databases from /var/lib/mysql
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第三步:用帐号登录MySQL
01 02 03 04 05 | [root@CentOs5 ~]# mysql -u root
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 1本文来源gao.dai.ma.com搞@代*码#网
Server version: 5.0.77 Source distribution
Type 'help;' or '\h' for help. Type '\c' to clear the buffer.
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第四步:改变用户数据库表
01 02 03 04 | 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
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第五步:修改密码,记得密码要用password()函数进行加密,一定不要忘记!不然,
01 02 03 | mysql> update user set password = password ( 'admin123' ) where user = 'root' ;
Query OK, 1 row affected (0.04 sec)
Rows matched: 1 Changed: 1 Warnings: 0
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第六步:刷新权限表
01 02 03 04 | mysql> flush previleges;
ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'previleges' at line 1
mysql> flush privileges ;
Query OK, 0 rows affected (0.00 sec)
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第七步:退出mysql
第八步:对mysql进行重启
01 02 03 04 05 06 | [root@CentOs5 ~]# service mysqld restart;
STOPPING server from pid file /var/run/mysqld/mysqld.pid
100421 13:44:03 mysqld ended
Stopping MySQL: [ OK ]
Starting MySQL: [ OK ]
[1]+ Done mysqld_safe --skip-grant-tables
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第九步:用更改过的密码重新登录即可。
01 02 03 04 05 06 07 08 09 | [root@CentOs5 ~]# mysql -u root -p
Enter password : admin123
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.0.77 Source distribution
Type 'help;' or '\h' for help. Type '\c' to clear the buffer.
mysql> quit
Bye
[root@CentOs5 ~]#
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