ngixn.conf详解

全局块
events
http
server
location

vim /usr/local/nginx/conf/nginx.conf

    #user  nobody;                          \\nginx用户及组,如果用户和组名一样可只写一个    
    worker_processes  1;                  \\开启的进程数,建议CPU核心数-1
    #error_log  logs/error.log;
    #error_log  logs/error.log  notice;
    #error_log  logs/error.log  info;   \\定义错误日志文件
    #pid        logs/nginx.pid;             \\定义PID文件
    events {
        worker_connections  1024;       \\每个进程的最大连接数,根据需要调整大小
    }
    http {
        include       mime.types;             \\mime.type文件定义mime协议类型
        default_type  application/octet-stream;
  #log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '  \\定义访问日志格式
        #                  '$status $body_bytes_sent "$http_referer" '
        #                  '"$http_user_agent" "$http_x_forwarded_for"';
        #access_log  logs/access.log  main;                                                             \\定义日志文件
        sendfile        on;         \\开启高效文件传输模式
        #tcp_nopush     on;
    #keepalive_timeout  0;
        keepalive_timeout  65;   \\长连接超时时间
        #gzip  on;
        server {
            listen       80;
            server_name  localhost;
            #charset koi8-r;
            #access_log  logs/host.access.log  main;
            location / {
                root   html;
                index  index.html index.htm;
          }
            #error_page  404              /404.html;
            # 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;
        #    }
        #}
    }