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  • linux下mysql的root密码忘记解决方

    1.首先确认服务器出于安全的状态,也就是没有人能够任意地连接MySQL数据库。因为在重新设置MySQL的root密码的期间,MySQL数据库完全出于没有密码保护的 状态下,其他的用户也可以任意地登录和修改MySQL的信息。可以采用将MySQL对 外的端口封闭,并且停止Apache以及所有的用户进程的方法实现服务器的准安全 状态。最安全的状态是到服务器的Console上面操作,并且拔掉网线。 
    2.修改MySQL的登录设置: 

    # 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-grant-tables 

    保存并且退出vi。 

    3.重新启动mysqld 

    # /etc/init.d/mysqld restart 
    Stopping MySQL: [ OK ] 
    Starting MySQL: [ OK ] 

    4.登录并修改MySQL的root密码 

    # /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 

    5.将MySQL的登录设置修改回来 

    # vi /etc/my.cnf 

    将刚才在[mysqld]的段中加上的skip-grant-tables删除 

    保存并且退出vi。 
    6.重新启动mysqld 

    # /etc/init.d/mysqld restart 
    Stopping MySQL: [ OK ] 
    Starting MySQL: [ OK ]
    
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  • 原文地址:https://www.cnblogs.com/mophy/p/7840553.html
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