mysql 登录报错:ERROR 1045 (28000)
2014-06-27 14:49
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一、现象:
公司linux系统的mysql数据库root用户设置过密码,但常常用命令'mysql -u root -p'登录报错,有时又能登录。登录报错信息为:[root@localhost ~]# mysql -u root -p
Enter password:
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)
二、原因:数据库中存在空用户所致
三、处理办法:
1、停用mysql服务:# service mysql stop
2、输入命令:# mysqld_safe --user=mysql --skip-grant-tables --skip-networking &
3、登入数据库:# mysql -u root mysql
4、mysql> use mysql;
5、mysql> select user,host,password from user; 结果如下:
+------+-----------------------+----------+
| user | host | password |
+------+-----------------------+----------+
| root | % | mima |
| root | localhost.localdomain | mima |
| root | 127.0.0.1 | mima |
| | localhost | |
| | localhost.localdomain | |
+------+-----------------------+----------+
6、将上面查询出来的空用户删除:mysql> delete from user where user='';
7、退出数据库:mysql> quit
8、启动mysql服务:# service mysql start
9、重新用命令‘mysql -u root -p’登录,OK!
公司linux系统的mysql数据库root用户设置过密码,但常常用命令'mysql -u root -p'登录报错,有时又能登录。登录报错信息为:[root@localhost ~]# mysql -u root -p
Enter password:
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)
二、原因:数据库中存在空用户所致
三、处理办法:
1、停用mysql服务:# service mysql stop
2、输入命令:# mysqld_safe --user=mysql --skip-grant-tables --skip-networking &
3、登入数据库:# mysql -u root mysql
4、mysql> use mysql;
5、mysql> select user,host,password from user; 结果如下:
+------+-----------------------+----------+
| user | host | password |
+------+-----------------------+----------+
| root | % | mima |
| root | localhost.localdomain | mima |
| root | 127.0.0.1 | mima |
| | localhost | |
| | localhost.localdomain | |
+------+-----------------------+----------+
6、将上面查询出来的空用户删除:mysql> delete from user where user='';
7、退出数据库:mysql> quit
8、启动mysql服务:# service mysql start
9、重新用命令‘mysql -u root -p’登录,OK!
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