Linux mysql5.7 password-related issues

ERROR 1819 (HY000): Your password does not satisfy the current policy requirements

SELECT @ @validate_password_length;

Mac MySQL error must reset your password using ALTER USER statement before executing this statement.

SET PASSWORD = PASSWORD (' Your new PASSWORD ');

Flush privileges;

Add Users and authorize

Use MySQL; Grant all on * * to ' root ' @'% ' identified by ' root user's password ' with Grant opt Ion

Flush privileges;

Linux mysql5.7 password-related issues