問題：

在centOS上安裝了mysql后，卸載了又重新安裝，使用mysqladmin -u root password 'new password'

更改密碼，提示：?mysqladmin: Can't turn off logging; error: 'Access denied; you need the SUPER privilege for this operation'"?


解決方案：?
1.修改MySQL的登錄設(shè)置：
# vi /etc/my.cnf
在[mysqld]的段中加上一句：skip-grant-tables
例如：
[mysqld]
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock
skip-name-resolve
skip-grant-tables
保存并且退出vi。?
??
重新啟動mysqld
# /etc/init.d/mysqld restart
Stopping MySQL: [ OK ]
Starting MySQL: [ OK ]

登錄并修改MySQL的root密碼
# /usr/bin/mysql
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 3 to server version: 3.23.56

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

mysql> USE mysql ;
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> UPDATE user SET Password = password ( 'new-password' ) WHERE User = 'root' ;
Query OK, 0 rows affected (0.00 sec)
Rows matched: 2 Changed: 0 Warnings: 0

mysql> flush privileges ;
Query OK, 0 rows affected (0.01 sec)

mysql> quit
Bye

2．將MySQL的登錄設(shè)置修改回來
# vi /etc/my.cnf
將剛才在[mysqld]的段中加上的skip-grant-tables刪除
保存并且退出vi。

3．重新啟動mysqld
# /etc/init.d/mysqld restart
Stopping MySQL: [ OK ]

Starting MySQL: [ OK ]

?

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