Mysql/MariaDB allow remote connect by root

Remote connect Mysql / MariaDB:
Solution:
1. mysql -u root -p
      Input YSQL ROOT pass

2. Enable remote connect
grant all privileges on *.* to 'root'@'%' identified by 'your ROOT pass' with grant option;

3. Disable remote connection
grant all privileges on *.* to 'root'@'127.0.0.1' identified by 'passwd' with grant option;

4. Port 3306 must open to remote and you need restart Mysql service.

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