Linux 下,mysql数据库报无法登陆错误:ERROR 1045 (28000): Access denied for use
今天在别人的服务器上登录mysql发现无法登陆(Mysql别人实现安装好的)
密码和用户名都是正确的,但登录后报如下错误:
ERROR 1045 (28000): Access denied for user ‘admin’@'localhost’ (using password: YES)
尝试了加入-h和-port也无法登陆,最后只能重新修改了。注--该方法也可以用于当忘记数据库密码时,找回数据库密码用
如下是我执行过程,完全执行后,可以顺利登录数据库:linux下的执行脚本:
- login as: root
- Access denied
- root@×××××××'s password:
- Last login: Tue Feb 21 03:56:49 2012 from 218.17.162.225
- [root@INOTRADE ~]# ps -A
- PID TTY TIME CMD
- 1 ? 00:00:01 init
- 1117 ? 00:00:00 udevd
- 1394 ? 00:00:00 syslogd
- 1405 ? 00:00:00 sshd
- 1414 ? 00:00:00 xinetd
- 1427 ? 00:00:00 couriertcpd
- 1429 ? 00:00:00 courierlogger
- 1437 ? 00:00:00 couriertcpd
- 1439 ? 00:00:00 courierlogger
- 1445 ? 00:00:00 couriertcpd
- 1447 ? 00:00:00 courierlogger
- 1454 ? 00:00:00 couriertcpd
- 1456 ? 00:00:00 courierlogger
- 1466 ? 00:00:00 qmail-send
- 1468 ? 00:00:00 splogger
- 1469 ? 00:00:00 qmail-lspawn
- 1470 ? 00:00:00 qmail-rspawn
- 1471 ? 00:00:00 qmail-clean
- 1486 ? 00:00:00 httpd
- 1528 ? 00:00:00 named
- 1573 ? 00:00:00 mysqld_safe
- 1623 ? 00:00:00 mysqld
- 1629 ? 00:00:00 httpd
- 1655 ? 00:00:00 httpsd
- 1659 ? 00:00:00 httpsd
- 1674 ? 00:00:00 crond
- 1682 ? 00:00:00 saslauthd
- 1683 ? 00:00:00 saslauthd
- 1689 ? 00:00:00 sshd
- 1691 pts/0 00:00:00 bash
- 1718 pts/0 00:00:00 ps
- // 无法登陆,密码正确的,不知道为什么,原来数据库表的访问权限也已经设置了的
- [root@INOTRADE ~]# mysql -uroot -p
- Enter password:
- [root@INOTRADE ~]# ERROR 1045 (28000): Access denied for user ‘admin’@'localhost’ (using password: YES)
- [root@INOTRADE ~]# mysql -uroot -p****** -hlocalhost
- [root@INOTRADE ~]# ERROR 1045 (28000): Access denied for user ‘admin’@'localhost’ (using password: YES)
- // 执行脚本,更新mysql数据库的数据,如用户名密码
- [root@INOTRADE ~]# sudo /etc/init.d/mysqld stop
- Stopping MySQL: [ OK ]
- [root@INOTRADE ~]# mysqld_safe --user=mysql --skip-grant-tables --skip-networking &
- [1] 1759
- ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)
- [root@INOTRADE ~]# Starting mysqld daemon with databases from /var/lib/mysql
- -- 这步可能不会自动执行,等待十几秒后就可以直接回车返回到命令行模式下,然后登录到mysql服务器
- [root@INOTRADE ~]#
- [root@INOTRADE ~]# mysql -u root mysql
- Reading table information for completion of table and column names
- You can turn off this feature to get a quicker startup with -A
- Welcome to the MySQL monitor. Commands end with ; or \g.
- Your MySQL connection id is 1
- Server version: 5.0.77 Source distribution
- Type 'help;' or '\h' for help. Type '\c' to clear the buffer.
- mysql> select host, user from user;
- +-----------+------------------+
- | host | user |
- +-----------+------------------+
- | % | admin |
- | localhost | admin |
- | localhost | horde |
- | localhost | pma_OBBVuV2L3mjn |
- +-----------+------------------+
- 4 rows in set (0.00 sec)
- -- 因为我数据库中没有root,换为admin了
- mysql> UPDATE user SET Password=PASSWORD('******') where USER='admin';
- Query OK, 2 rows affected (0.02 sec)
- Rows matched: 2 Changed: 2 Warnings: 0
- mysql> FLUSH PRIVILEGES;
- Query OK, 0 rows affected (0.02 sec)
- mysql> quit;
- Bye
- [root@INOTRADE ~]# /etc/init.d/mysqld restart
- STOPPING server from pid file /var/run/mysqld/mysqld.pid
- 120221 05:08:02 mysqld ended
- Stopping MySQL: [ OK ]
- Starting MySQL: [ OK ]
- [1]+ Done mysqld_safe --user=mysql --skip-grant-tables --skip-networking
- // 至此, 重启后就可以正常登录了
- [root@INOTRADE ~]# mysql -uadmin -p******
- Welcome to the MySQL monitor. Commands end with ; or \g.
- Your MySQL connection id is 3
- Server version: 5.0.77 Source distribution
- Type 'help;' or '\h' for help. Type '\c' to clear the buffer.
- mysql> show databases;
- +-------------------------+
- | Database |
- +-------------------------+
- | information_schema |
- | ******* |
- | horde |
- | mysql |
- +-------------------------+
- 7 rows in set (0.01 sec)
- mysql> use ********;
- 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> show tables;
- +------------------------------+
- | Tables_in_CQT_AMS |
- +------------------------------+
- | T_ALM_APPLICATION |
- | ***************** |
- | T_SYS_ROLE |
- | T_SYS_USER_INFO |
- | T_SYS_USER_ROLE |
- +------------------------------+
- 22 rows in set (0.00 sec)
- mysql> quit
- Bye
- [root@INOTRADE ~]#
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