忘记密码
1>停止服务
[root@centos6 ~]# service mysqld stop 停止 mysqld： [确定]
2>修改配置文件
[root@centos6 ~]# vim /etc/my.cnf [mysqld] ...... skip-grant-tables //在[mysqld]中加入该字段 # Disabling symbolic-links is recommended to prevent assorted security risks
3>重启服务，并登录
[root@centos6 ~]# service mysqld start 正在启动 mysqld： [确定] [root@centos6 ~]# mysql Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 2 Server version: 5.1.73 Source distribution Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type ‘help;‘ or ‘\h‘ for help. Type ‘\c‘ to clear the current input statement. mysql>
4>切换当前数据库
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
5>修改密码
mysql> update user set password=password(‘123456‘) where user=‘root‘ and Host = ‘localhost‘; Query OK, 1 row affected (0.00 sec) Rows matched: 1 Changed: 1 Warnings: 0 mysql> exit Bye
6>停止服务，修改配置文件注释掉skip-grant-tables该字段，并重新启动服务，登录
[root@centos6 ~]# service mysqld stop 停止 mysqld： [确定] [root@centos6 ~]# vim /etc/my.cnf [mysqld] ...... # skip-grant-tables # Disabling symbolic-links is recommended to prevent assorted security risks [root@centos6 ~]# service mysqld start 正在启动 mysqld： [确定] [root@centos6 ~]# mysql -uroot -p123456 Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 3 Server version: 5.1.73 Source distribution Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type ‘help;‘ or ‘\h‘ for help. Type ‘\c‘ to clear the current input statement. mysql> //成功