这篇文章主要讲解了“mysql 5.7忘记root密码怎么办”,文中的讲解内容简单清晰,易于学习与理解,下面请大家跟着小编的思路慢慢深入,一起来研究和学习“mysql 5.7忘记root密码怎么办”吧!
临时创建的一个测试库,忘记了root密码,用如下办法可以解决:
一、通过编辑/etc/my.cnf文件在[mysqld]下面加上skip-grant-tables=1,保存退出;
[mysqld]
skip-grant-tables=1
二、重启MySql服务
[root@iZ2ze7qh7q0di3qkvef1dzZ etc]# systemctl stop mysqld.service
[root@iZ2ze7qh7q0di3qkvef1dzZ etc]# systemctl start mysqld.service
三、以root身份登录mysql
[root@iZ2ze7qh7q0di3qkvef1dzZ etc]# mysql -u root
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.7.24 MySQL Community Server (GPL)
Copyright (c) 2000, 2018, 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.
四、进入mysql数据库
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
五、修改root密码:
mysql> update user set authentication_string = password('HecomDB2015!@#'),password_last_changed=now() where user='root';
Query OK, 2 rows affected, 1 warning (0.00 sec)
Rows matched: 2 Changed: 2 Warnings: 1
六、退出mysql,再次编辑/etc/my.cnf文件,将第一步中添加的skip-grant-tables=1删掉,重启启动MySql服务即可。
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