centos7安装配置nginx

1. 安装：

   yum  -y  install  nginx

2. 支持目录索引：
   
3. 支持php：
   a. 安装php-fpm：

   yum  -y  install  php-fpm

   b. 修改php-fpm的配置文件：
   
   c. 启动php-fpm服务：

   systemctl  start  php-fpm

   d. 修改nginx配置文件：
   
4. 开启pathinfo：
   
5. 解决跨域：
   
6. rewrite功能：
   
7. 配置虚拟主机：
   
8. 配置文件参考：

   user nginx;
   worker_processes auto;
   error_log /var/log/nginx/error.log;
   pid /run/nginx.pid;
   include /usr/share/nginx/modules/*.conf;
   events {
   worker_connections 1024;
   }
   http {
   log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
   access_log  /var/log/nginx/access.log  main;
   sendfile            on;
   tcp_nopush          on;
   tcp_nodelay         on;
   keepalive_timeout   65;
   types_hash_max_size 2048;
   include             /etc/nginx/mime.types;
   default_type        application/octet-stream;
   include /etc/nginx/conf.d/*.conf;
   server {
       listen       80 default_server;
       listen       [::]:80 default_server;
       server_name  _;
       root         /usr/share/nginx/html;
       include /etc/nginx/default.d/*.conf;
       location / {
           add_header 'Access-Control-Allow-Origin' '*';
           autoindex on;
           autoindex_localtime on;
           if (!-f $request_filename) {
               rewrite /(.*)$ /index.php/$1;
           }
           if (!-d $request_filename) {
               rewrite /(.*)$ /index.php/$1;
           }
       }
       location ~ \.php(.*)$ {
           root html;
           fastcgi_pass 127.0.0.1:9000;
           fastcgi_index index.php;
           fastcgi_param PATH_INFO $1;
           fastcgi_param SCRIPT_FILENAME /usr/share/nginx/html$fastcgi_script_name;
           include fastcgi_params;
       }
       error_page 404 /404.html;
       location = /40x.html {
       }
       error_page 500 502 503 504 /50x.html;
       location = /50x.html {
       }
   }
   server {
       listen       80;
       listen       [::]:80;
       server_name  virtual.dollar.com;
       location / {
           root html/virtual;
           index index.html index.php;
           autoindex on;
           autoindex_localtime on;
       }
   }
   }