MariaDB [hellodb]> create user 'magedu'@'192.168.1.%' ;
Query OK, 0 rows affected (0.011 sec)
MariaDB [hellodb]> grant all privileges on hellodb.* to 'magedu'@'192.168.1.%' ;
Query OK, 0 rows affected (0.001 sec)
因没有设置密码，连接时空密码
[root@localhost ~]# mysql -umagedu -p
Enter password:
Welcome to the MariaDB monitor. Commands end with ; or \g.
Your MariaDB connection id is 18
Server version: 10.4.21-MariaDB MariaDB Server
Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
MariaDB [(none)]>
