SHOW VARIABLES LIKE ‘validate_password%’; set global validate_password_policy=LOW; set global validate_password_length=4; ALTER USER ‘root’@‘localhost’ IDENTIFIED BY ‘root’;
所有机器赋予权限 Grant all privileges on . to ‘root’@’%’ identified by ‘password’with grant option; flush privileges;
firewall-cmd --state systemctl stop firewalld.service
