解决远程链接数据库：Host is not allowed to connect to this MySQL server

远程链接数据时，报如下提示：

Host 'web1' is not allowed to connect to this MySQL server

缘由是数据库服务不容许远程登陆，没有受权致使，解决方法以下：

登录mysql数据库：

mysql –uroot –p123456

建立并受权一个专用的数据库wordpress用于存放blog数据：

create database wordpress;

show database like ‘wordpress’;

grant all on worpress.* to worpress@'localhost' identified by '123456';

注：当数据库和php服务不在同一台机器上，可执行以下命令受权

grant all on wordpress.* to wordpress@’192.168.0.%’ identified by ‘123456’;

刷新权限，使得建立的用户生效：

flush privileges;   

查看用户对应的权限：

select user,host from mysql.user where user='wordpress';  

[root@mysql ~]# mysql -uroot -p123456 Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 2 Server version: 5.5.32 MySQL Community Server (GPL) Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql> create database wordpress; Query OK, 1 row affected (0.00 sec) mysql> grant all on wordpress.* to wordpress@'192.168.0.%' identified by '123456'; Query OK, 0 rows affected (0.00 sec) mysql> flush privileges; Query OK, 0 rows affected (0.00 sec) mysql> select user,host from mysql.user where user='wordpress'; +-----------+-------------+
| user      | host        |
+-----------+-------------+
| wordpress | 192.168.0.% |
+-----------+-------------+
1 row in set (0.00 sec)

测试效果：