mariadb-更改用户密码

通过yum安装的MariaDB直接就能登陆，默认密码为空！需要修改root密码

命令

use mysql;
update user set password=password('new password') where user = 'root';
flush privileges;
exit;1234

或者

set password for 'root'@'localhost'=password('new password');
exit;