# 默認配置文件啟動
./nginx
# 停止
./nginx -s stop
# 重啟，加載默認配置文件  
./nginx -s reload
# 啟動指定某個配置文件
./nginx -c /usr/local/nginx/conf/nginx.conf

#user  nobody;					# 指定Nginx worker進程運行以及用戶組
worker_processes  1;

#error_log  logs/error.log;		# 錯誤日志的存放路徑
#error_log  logs/error.log  notice;
#error_log  logs/error.log  info;

#pid        logs/nginx.pid;		# 進程pid存放路徑

# 事件模塊指令，用來指定Nginx的IO模型，Nginx支持的有select、poll、kqueue、epoll等。不同的是epoll用在Linux平臺上，而kqueue用在BSD系統(tǒng)中，對于Linux系統(tǒng)，epoll工作模式是首選
events {
	use epoll;
	# 定義Nginx每個進程的最大連接數(shù)，作為服務器來說：worker_connections * worker_processes；作為反向代理來說，最大并發(fā)數(shù)量為：worker_connections * worker_processes / 2，因為反向代理服務器，每個并發(fā)會建立與客戶端的連接和與后端服務的連接，會占用兩個連接
    worker_connections  1024;
}


http {
    include       mime.types;
    default_type  application/octet-stream;

	# 自定義服務日志
    #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  logs/access.log  main;

	# 是否開啟高效傳輸模式 on開啟 off關閉
    sendfile        on;
    # 減少網(wǎng)絡報文段的數(shù)量
    #tcp_nopush     on;
	
	# 客戶端連接超時時間
    #keepalive_timeout  0;
    keepalive_timeout  65;

    #gzip  on;
	
	# 虛擬主機的配置
    server {
        listen       80;		# 虛擬主機的服務端口
        server_name  localhost;	# 用來指定IP地址或域名，多個域名之間用空格分開

        #charset koi8-r;

        #access_log  logs/host.access.log  main;

		# URL地址匹配
        location / {
            root   html;					# 服務默認啟動目錄
            index  index.html index.htm;	# 默認訪問文件，按照順序找
        }

        #error_page  404              /404.html;	# 錯誤狀態(tài)碼的顯示頁面

        # redirect server error pages to the static page /50x.html
        #
        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   html;
        }

        # proxy the PHP scripts to Apache listening on 127.0.0.1:80
        #
        #location ~ \.php$ {
        #    proxy_pass   http://127.0.0.1;
        #}

        # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
        #
        #location ~ \.php$ {
        #    root           html;
        #    fastcgi_pass   127.0.0.1:9000;
        #    fastcgi_index  index.php;
        #    fastcgi_param  SCRIPT_FILENAME  /scripts$fastcgi_script_name;
        #    include        fastcgi_params;
        #}

        # deny access to .htaccess files, if Apache's document root
        # concurs with nginx's one
        #
        #location ~ /\.ht {
        #    deny  all;
        #}
    }


    # another virtual host using mix of IP-, name-, and port-based configuration
    #
    #server {
    #    listen       8000;
    #    listen       somename:8080;
    #    server_name  somename  alias  another.alias;

    #    location / {
    #        root   html;
    #        index  index.html index.htm;
    #    }
    #}


    # HTTPS server
    #
    #server {
    #    listen       443 ssl;
    #    server_name  localhost;

    #    ssl_certificate      cert.pem;
    #    ssl_certificate_key  cert.key;

    #    ssl_session_cache    shared:SSL:1m;
    #    ssl_session_timeout  5m;

    #    ssl_ciphers  HIGH:!aNULL:!MD5;
    #    ssl_prefer_server_ciphers  on;

    #    location / {
    #        root   html;
    #        index  index.html index.htm;
    #    }
    #}

}

server {
    listen       80;
    server_name  localhost a.com;

    location / {
        root   html;
        index  index.html index.htm;
    }
    location /img {
        alias /usr/local/img/;
    }
}