忘记数据库密码

记MySQL密码

MySQL 5.7.5 版本及以前

[root@mysql1 ~]# vim /etc/my.cnf
[mysqld]
skip-grant-tables

[root@mysql1 ~]# service mysqld restart
[root@mysql1 ~]# mysql
mysql> update mysql.user set password=password("456") where user="root" and host="localhost";
mysql> flush privileges;
mysql> \q

[root@mysql1 ~]# vim /etc/my.cnf
[mysqld]

skip-grant-table

[root@mysql1 ~]# service mysqld restart

MySQL 5.7.6 版本及以后:

[root@slave1 ~]# vim /etc/my.cnf
[mysqld]
skip-grant-tables

[root@slave1 ~]# systemctl restart mysqld

a.png

[root@slave1 ~]# vim /etc/my.cnf
[root@slave1 ~]# systemctl restart mysqld