Linux下mysql 忘记密码的解决办法

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>mysql -u root -p
Enter password: ********
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 12
Server version: 5.7.18-log MySQL Community Server (GPL)

Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type ‘help;‘ or ‘\h‘ for help. Type ‘\c‘ to clear the current input statement.

mysql> use mysql;
Database changed
mysql> select User from user;  #此处为查询用户命令
+-----------+
| User      |
+-----------+
| *******  |
| mysql.sys |
| root      |
+-----------+
3 rows in set (0.00 sec)

mysql> update user set password=password("*******") where user="*******";  #修改密码报错  （版本不同  我用这个成功了）
ERROR 1054 (42S22): Unknown column ‘password‘ in ‘field list‘
mysql> update mysql.user set authentication_string=password(‘*******‘) where user=‘*******‘;  #修改密码成功
Query OK, 1 row affected, 1 warning (0.00 sec)
Rows matched: 1  Changed: 1  Warnings: 1

mysql> flush privileges;  #立即生效
Query OK, 0 rows affected (0.00 sec)

mysql> quit
Bye

n>mysql -u ******* -p #以该用户登录成功.
Enter password: ********
…………………………
mysql>

Linux下mysql 忘记密码的解决办法

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原文地址：https://www.cnblogs.com/wujf-myblog/p/10239868.html