nginx 自定义网站配置文件位置

/etc/nginx/conf.d

1. 主配置文件：/etc/nginx/nginx.conf
2. 默认虚拟主机配置文件：/etc/nginx/conf.d/default.conf 或 /etc/nginx/sites-available/default
3. 具体虚拟主机配置文件：/etc/nginx/conf.d/your_virtual_host.conf 或 /etc/nginx/sites-available/your_virtual_host