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

一、Windows平臺下mysql 1054錯誤：


進入dos命令列，切換到你的MySQL bin目錄下
比如我的是 D:\Program Files\MySQL\MySQL Server 5.0\bin  --(注意自己的my.ini位置)
C:\Users\Administrator>d:


D:\>cd Program Files\MySQL\MySQL Server 5.0\bin


D:\Program Files\MySQL\MySQL Server 5.0\bin>
D:\Program Files\MySQL\MySQL Server 5.0\bin>mysqld-nt  --defaults-file="D:\Program Files\MySQL\MySQL Server 5.0\my.ini" --console --skip-grant-tables
140116 10:55:29  InnoDB: Started; log sequence number 0 289705428
140116 10:55:29 [Note] mysqld-nt: ready for connections.
Version: '5.0.96-community-nt'  socket: ''  port: 3306  MySQL Community Edition (GPL)

看到紅色字型一行就說明MySQL已經起來了。

另外再開一個DOS視窗，同樣切到mysql bin目錄下

D:\Program Files\MySQL\MySQL Server 5.0\bin>mysql -uroot mysql
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.0.96-community-nt MySQL Community Server (GPL)


Type 'help;' or '\h' for help. Type '\c' to clear the buffer.


mysql>
mysql> UPDATE user SET Password=PASSWORD(’newpassword’) where USER=’root’; 
mysql> FLUSH PRIVILEGES; 
mysql> quit 

然後關閉mysql服務

D:\Program Files\MySQL\MySQL Server 5.0\bin>mysqladmin shutdown


之後正常重啟MySQL服務就行了。


D:\Program Files\MySQL\MySQL Server 5.0\bin>net start mysql
MySQL 服務正在啟動 .
MySQL 服務已經啟動成功。




D:\Program Files\MySQL\MySQL Server 5.0\bin>mysql -uroot -p
Enter password: *********   --<這裡輸入剛剛重置的新密碼>
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 1
Server version: 5.0.96-community-nt MySQL Community Edition (GPL)


Copyright (c) 2000, 2011, 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> 


二、在Linux平臺中Mysql訪問是，提示1054錯誤

# /etc/init.d/mysqld stop 
# mysqld_safe --user=mysql --skip-grant-tables --skip-networking & 
# mysql -uroot mysql 
mysql> UPDATE user SET Password=PASSWORD(’newpassword’) where USER=’root’; 
mysql> FLUSH PRIVILEGES; 
mysql> quit 
# /etc/init.d/mysqld restart 
# mysql -uroot -p 
Enter password: <輸入新設的密碼newpassword> 
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 28
Server version: 5.1.73-community MySQL Community Server (GPL)


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>