MySQL修改密码和忘记ROOT密码
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1、关闭数据库
脚本：[[email protected] etc]# service mysql stop
2、使用脚本： mysqld_safe --skip-grant-tables 启动数据库
使用/usr/bin/mysqld_safe --skip-grant-tables&启动数据库
3、使用空密码进入数据库（mysql命令后直接回车）
[[email protected] ~]# mysql
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 3
Server version: 5.6.20-enterprise-commercial-advanced MySQL Enterprise Server - Advanced Edition (Commercial)
Copyright (c) 2000, 2014, 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>
4、使用UPDATE语句修改ROOT密码
mysql> UPDATE mysql.user SET
-> PASSWORD=PASSWORD(‘root‘)
-> where
-> User=‘root‘ AND Host=‘localhost‘;
5、关闭数据库并重新以正常方式启动数据库
[[email protected] ~]# service mysql restart;
Shutting down MySQL.. SUCCESS!
Starting MySQL.. SUCCESS!
[[email protected] ~]# mysql
ERROR 1045 (28000): Access denied for user ‘root‘@‘localhost‘ (using password: NO)
[[email protected] ~]# mysql -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.6.20-enterprise-commercial-advanced MySQL Enterprise Server - Advanced Edition (Commercial)
Copyright (c) 2000, 2014, 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>
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