http {
  log_format main '$remote_addr - $remote_user [$time_local] "$request" '
           '$status $body_bytes_sent "$http_referer" '
           '"$http_user_agent" "$http_x_forwarded_for"';
  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 /usr/local/nginx/default.d/*.conf; //就這里加一行就可以了
}

server {
  listen    80 ;  //注意這里，要把默認(rèn)的那個(gè)default_server去掉,因?yàn)槲覀冊(cè)谙旅嬉獑为?dú)配置域名訪問(wèn)，所以這里不要留default_server，不然會(huì)報(bào)錯(cuò)。
  server_name mytest.com; //這里寫(xiě)你想設(shè)置的域名，可以寫(xiě)多個(gè)，與名之間用空格隔開(kāi)
  root     /mnt/share/mytest.com;  //這里是你虛擬機(jī)的根目錄，寫(xiě)絕對(duì)路徑
  # Load configuration files for the default server block.

  location / {
    index index.php index.html index.htm; //這里配置默認(rèn)訪問(wèn)的頁(yè)面
  }
  location ~* \.php$ {  //這里配置php解析.php文件

    fastcgi_index  index.php;
    fastcgi_pass  127.0.0.1:9000;
    include     fastcgi_params;
    fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
    fastcgi_param  SCRIPT_NAME    $fastcgi_script_name;
  }
  error_page 404 /404.html;  //默認(rèn)的錯(cuò)誤頁(yè)面
    location = /40x.html {
  }
  error_page 500 502 503 504 /50x.html;
    location = /50x.html {
  }
}

server {
    listen    80;
    server_name www.mytest1.com;
    root     /var/www/html;
    index index.html index.htm index.php;
    location / {
      try_files $uri $uri/ /index.php?$query_string;
    }
    location = /favicon.ico {
     log_not_found off;
    }
    location ~ \.php$ {
      fastcgi_pass  127.0.0.1:9000;
      fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
      include    fastcgi_params;
    }
}

vim /etc/hosts
127.0.0.1  mytest1.com
127.0.0.1  mytest.com

192.168.0.27  mytest1.com
192.168.0.27  mytest.com

nginx: [emerg] a duplicate default server for 0.0.0.0:80 in /etc/nginx/vhosts/

server {
  listen    80