mySql-5.7,root用户忘记密码处理方式

首先登录服务器:Linux

10多年的米东网站建设经验,针对设计、前端、开发、售后、文案、推广等六对一服务,响应快,48小时及时工作处理。营销型网站的优势是能够根据用户设备显示端的尺寸不同,自动调整米东建站的显示方式,使网站能够适用不同显示终端,在浏览器中调整网站的宽度,无论在任何一种浏览器上浏览网站,都能展现优雅布局与设计,从而大程度地提升浏览体验。成都创新互联公司从事“米东网站设计”,“米东网站推广”以来,每个客户项目都认真落实执行。

1.修改配置文件

vi /etc/my.cnf

在[MySQLd]的段中加上一句

  skip-grant-tables 

2.保存重启 mysql

 service mysqld restart

3.修改root密码

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 mysql.user set authentication_string=password('****') where user='root';
Query OK, 0 rows affected, 1 warning (0.00 sec)
Rows matched: 2  Changed: 0  Warnings: 1

mysql> exit

4.删除配置文件中的 skip-grant-tables

 步骤1 中,在配置文件中新增的部分,删除;

5.保存重启 mysql

 service mysqld restart

6.登录 mysql,设置登录权限

mysql -u root -p

Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 5
Server version: 5.7.15 MySQL Community Server (GPL)

Copyright (c) 2000, 2016, 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> GRANT ALL PRIVILEGES ON  *.* TO 'root'@'%' IDENTIFIED BY 'your root password' WITH GRANT OPTION;
Query OK, 0 rows affected, 1 warning (0.00 sec)

mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)

分享文章:mySql-5.7,root用户忘记密码处理方式
文章地址:http://myzitong.com/article/jpcejj.html