mysql 修改密码，远程权限

Posted 2020-12-27 minmax329

系统centos7，mysql5.7

 

1、第一次安装好mysql后的临时密码

>grep "password" /var/log/mysqld.log

显示如下：

.................A temporary password is generated for [email protected]: i8uLno2zRC+a

" i8uLno2zRC+a "此句为刚安装好之后的临时密码，第一次登陆必须要修改密码

2、第一次登陆修改密码

alter user ‘root‘@‘localhost‘ identified by ‘新密码‘;

 

1、忘记自己修改的密码

>vim  /etc/my.cnf

[mysqld]
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock
skip-grant-tables ----->增加内容 ‘跳过授权检查‘

2、重启mysql服务

>systemctl stop mysqld.service

>systemctl start mysqld.service

3、进入MySQL

>mysql

mysql> update user set authentication_string=password(‘123456‘) where user=‘root‘;

 

1、远程链接权限

mysql>grant all privileges on *.* to ‘root‘@‘%‘ identified by ‘你的密码‘;