MariaDB密码重置

MariaDB密码重置mysql

若是记得root的密码:linux

mysqladmin -uroot -paminglinux password "aming-linux"  //用此方式将原密码aminglinux重置为aming-linux

若是不记得原密码:sql

# vi /etc/my.cnf

[mysqld]
datadir=/data/mysql
socket=/tmp/mysql.sock
skip-grant   //添加这一行

此时登陆root就不须要密码了socket

# mysql -uroot
> use mysql  //切换到mysql库
> desc user;    //查看user表的全部字段
密码存在了authentication_string字段里,所以修改此字段
> update user set authentication_string=password("wangzb") where user='root' and host='localhost';   //update该字段修改密码
退出MariaDB,删除/etc/my.cnf里面的skip-grant  重启服务

# vi /etc/my.cnf

修改普通用户密码:code

# mysql -uroot -pmysql
> use mysql;
> select user,host from user;
+------+-----------+
| user | host      |
+------+-----------+
| bbs  | 127.0.0.1 |
| blog | 127.0.0.1 |
| root | 127.0.0.1 |
| root | ::1       |
|      | localhost |
| root | localhost |
|      | wangzb01  |
| root | wangzb01  |
+------+-----------+

> update user set authentication_string=password("wangzb") where user='root' and host='localhost';   //update用户及对应主机的密码
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