能请教下，安装mysql时，不知为神马一直，卡在输入密码这，

granish@LYGPC:~$ ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY '0525';
ALTER：未找到命令
granish@LYGPC:~$ sudo mysql_secure_installation
[sudo] granish 的密码： 

Securing the MySQL server deployment.

Connecting to MySQL using a blank password.

VALIDATE PASSWORD COMPONENT can be used to test passwords
and improve security. It checks the strength of password
and allows the users to set only those passwords which are
secure enough. Would you like to setup VALIDATE PASSWORD component?

Press y|Y for Yes, any other key for No: Y

There are three levels of password validation policy:

LOW    Length >= 8
MEDIUM Length >= 8, numeric, mixed case, and special characters
STRONG Length >= 8, numeric, mixed case, special characters and dictionary                  file

Please enter 0 = LOW, 1 = MEDIUM and 2 = STRONG: 0
Please set the password for root here.

New password: 

Re-enter new password: 

Estimated strength of the password: 25 
Do you wish to continue with the password provided?(Press y|Y for Yes, any other key for No) : y
 ... Failed! Error: SET PASSWORD has no significance for user 'root'@'localhost' as the authentication method used doesn't store authentication data in the MySQL server. Please consider using ALTER USER instead if you want to change authentication parameters.

New password: 

照着csdn做的时候,,,我进入mysql,又成这样了

granish@LYGPC:~$ sudo mysql
[sudo] granish 的密码： 
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 12
Server version: 8.0.32-0ubuntu0.22.04.2 (Ubuntu)

Copyright (c) 2000, 2023, Oracle and/or its affiliates.

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.

ERROR 1819 (HY000): Your password does not satisfy the current policy requirements5';
mysql> ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY '0525';
ERROR 1819 (HY000): Your password does not satisfy the current policy requirements
mysql> ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY '0525';
ERROR 1819 (HY000): Your password does not satisfy the current policy requirements
mysql>