查看初始密码:
grep "temporary password" /var/log/mysqld.log
查看validate_password变量
SHOW VARIABLES LIKE 'validate_password%';
修改密码长度:
set global validate_password.length=4;
修改密码策略:
set global validate_password.policy=0;
mysql8修改密码策略:
set global validate_password.policy=0;
validate_password_length变为validate_password.length
修改密码:
alter user 'root'@'localhost' identified by 'root';