2016-12-13T14:57:47.535748Z 1 [Note] A temporary password is generated for root@localhost: p0/G28g>lsHD
说明：下一步重置root用户密码时，会使用该初始密码。
4.运行以下命令配置MySQL的安全性。
mysql_secure_installation
安全性的配置包含以下五个方面：
①重置root账号密码。
Enter password for user root: #输入上一步获取的root用户初始密码
The 'validate_password' plugin is installed on the server.
The subsequent steps will run with the existing configuration of the plugin.
Using existing password for root.
Estimated strength of the password: 100
Change the password for root ? (Press y|Y for Yes, any other key for No) : Y #是否更改root用户密码，输入Y
New password: #输入新密码，长度为8至30个字符，必须同时包含大小写英文字母、数字和特殊符号。特殊符号可以是()` ~!@#$%^&*-+=|{}[]:;‘<>,.?/
Re-enter new password: #再次输入新密码
Estimated strength of the password: 100
Do you wish to continue with the password provided?(Press y|Y for Yes, any other key for No) : Y
②输入Y删除匿名用户账号。
By default, a MySQL installation has an anonymous user, allowing anyone to log into MySQL without having to have a user account created for them. This is intended only for testing, and to make the installation go a bit smoother. You should remove them before moving into a production environment.
Remove anonymous users? (Press y|Y for Yes, any other key for No) : Y #是否删除匿名用户，输入Y
Success.
③输入Y禁止root账号远程登录。
Disallow root login remotely? (Press y|Y for Yes, any other key for No) : Y #禁止root远程登录，输入Y
Success.
④输入Y删除test库以及对test库的访问权限。
Remove test database and access to it? (Press y|Y for Yes, any other key for No) : Y #是否删除test库和对它的访问权限，输入Y
- Dropping test database...
Success.
⑤输入Y重新加载授权表。
Reload privilege tables now? (Press y|Y for Yes, any other key for No) : Y #是否重新加载授权表，输入Y
Success.
All done!
cd /usr/share/nginx/html/wordpress
cp wp-config-sample.php wp-config.php
2.执行以下命令，打开并编辑新创建的配置文件。
vim wp-config.php
3.按 “i” 切换至编辑模式，找到文件中 MySQL 的部分，并将相关配置信息修改为 配置 WordPress 数据库 中的内容。
// ** MySQL settings - You can get this info from your web host ** //
/** The name of the database for WordPress */
define('DB_NAME', 'wordpress');
/** MySQL database username */
define('DB_USER', 'user');
/** MySQL database password */
define('DB_PASSWORD', '123456');
/** MySQL hostname */
define('DB_HOST', 'localhost');
> 
> 【MySQL 5.6 Command Line Client】，打开 MySQL 命令行客户端。
，打开服务器管理器。
