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mysql忘记密码

爪哇驿站 2022-01-12 阅读 187
[root@skywalking-java1 ~]# systemctl  stop mysqld 
[root@skywalking-java1 ~]# vim /etc/my.cnf
skip-grant-tables  #添加这行

[root@skywalking-java1 ~]# systemctl  start mysqld 

mysql> select host,user from user;
+-----------+---------------+
| host      | user          |
+-----------+---------------+
| localhost | mysql.session |
| localhost | mysql.sys     |
| localhost | root          |
+-----------+---------------+
3 rows in set (0.00 sec)

mysql> update mysql.user set authentication_string=password('ewgregre6Li')   where user='root' and host='localhost';
Query OK, 1 row affected, 1 warning (0.08 sec)
Rows matched: 1  Changed: 1  Warnings: 1

mysql> FLUSH PRIVILEGES;  
Query OK, 0 rows affected (0.00 sec)

mysql> grant all privileges on *.* to'root'@'%' identified by 'a^X1wIKwskU0D6Li';
Query OK, 0 rows affected, 1 warning (0.00 sec)

mysql> FLUSH PRIVILEGES;
Query OK, 0 rows affected (0.00 sec)


修改密码成功后,退出,再进行关掉数据库,去掉上述添加的那行

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