mysql登录报错 ERROR 1045 (28000)
2015-07-02 20:03
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1、现象:
[root@localhost ~]# mysql -u root -p
Enter password:
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)
2、原因:数据库中存在空用户所致
3、解决方案:
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!
或者:
1)找到mysql的配置文件,修改my.cnf,在其中加入skip-grant-tables
2)重启数据库service mysql restart
3)免密码使用root登录,然后查看user表、删除空用户
4)推出数据库,修改my.cnf,去掉skip-grant-tables
5)重启数据库
[root@localhost ~]# mysql -u root -p
Enter password:
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)
2、原因:数据库中存在空用户所致
3、解决方案:
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!
或者:
1)找到mysql的配置文件,修改my.cnf,在其中加入skip-grant-tables
2)重启数据库service mysql restart
3)免密码使用root登录,然后查看user表、删除空用户
4)推出数据库,修改my.cnf,去掉skip-grant-tables
5)重启数据库
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