MySQL 重置root賬戶密碼

MySQL 重置root賬戶密碼方法：

1、mysqladmin

[root@localhost ~]# mysqladmin -uroot -p "oldpasswd" password "newpasswd"

2、set password

MariaDB [(none)]> set password for root@localhost=password("newpasswd");
Query OK, 0 rows affected (0.00 sec)

3、update set

MariaDB [(none)]> update mysql.user set password=password("newpasswd") where user="root" and host="localhost";
Query OK, 1 row affected (0.00 sec)
Rows matched: 1  Changed: 1  Warnings: 0

MariaDB [(none)]> flush privileges;
Query OK, 0 rows affected (0.00 sec)

查看mysql操作記錄

cat /root/.mysql_history