ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)

本文详细介绍了如何解决MySQL根用户'root'@'localhost'的权限被拒绝问题,通过执行特定命令更新密码并刷新权限,成功登录并管理MySQL。

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 [root@localhost ~]# /usr/local/mysql/bin/mysql -uroot -p password
Enter password:
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)
 
解决:
[root@localhost mysql]# /usr/local/mysql/bin/mysqld_safe --user=mysql --skip-grant-tables --skip-networking &
     [root@localhost mysql]#/usr/local/mysql/ bin/mysql -u root mysql
 
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
 
mysql> update user set password=PASSWORD(123456) where user='root';
Query OK, 3 rows affected (0.00 sec)
Rows matched: 3  Changed: 3  Warnings: 0
 
mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)
 
[root@localhost mysql]# /usr/local/mysql/bin/mysql -uroot -p
Enter password: ******
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.1.50-log Source distribution
 
Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
This software comes with ABSOLUTELY NO WARRANTY. This is free software,
and you are welcome to modify and redistribute it under the GPL v2 license
 
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
 
mysql> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| mysql              |
| test               |
+--------------------+
3 rows in set (0.00 sec)
 
 
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