Nginx 的安装与配置.

wget http://nginx.org/download/nginx-1.13.1.tar.gz

yum install gcc      
yum install gcc-c++

yum -y install pcre*
yum -y install zlib*

yum -y install openssl 
yum -y install openssl-devel

tar -z -xv -f nginx-1.13.1.tar.gz

cd nginx-1.13.1
./configure --prefix=/usr/local/nginx --with-http_ssl_module --with-http_stub_status_module --with-pcre

make 
make install

/usr/local/nginx/sbin/nginx -c /usr/local/nginx/conf/nginx.conf

#user  nobody;
#开启的线程数，一般跟逻辑CPU核数一致
worker_processes  1;

#定位全局错误日志文件，级别以notice显示，还有debug,info,warn,error,crit模式，debug输出最多，crir输出最少，根据实际环境而定
#error_log  logs/error.log;
#error_log  logs/error.log  notice;
#error_log  logs/error.log  info;

#指定进程id的存储文件位置
#pid        logs/nginx.pid;


events {
    #定义每个进程的最大连接数,受系统进程的最大打开文件数量限制。
    worker_connections  1024;
}


http {
    include       mime.types;
    #核心模块指令，默认设置为二进制流，也就是当文件类型未定义时使用这种方式
    default_type  application/octet-stream;

    #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;

    sendfile        on;
    #开启防止网络阻塞
    #tcp_nopush     on;
    
    #开启防止网络阻塞
    #tcp_nodelay    on;

    #keepalive_timeout  0;
    #设置客户端连接保存活动的超时时间
    keepalive_timeout  65;
    
    #设置允许客户端请求的最大的单个文件字节数
    client_max_body_size    200m;
    
    #指定来自客户端请求头的headebuffer大小
    #client_header_buffer_size  32k;
    
    #指定连接请求试图写入缓存文件的目录路径
    #client_body_temp_path /dev/shm/client_body_temp;
    
    #指定客户端请求中较大的消息头的缓存最大数量和大小，目前设置为4个32KB
    #large client_header_buffers 4 32k;
    

    #gzip  on;
    
    #配置负载均衡
    upstream tomcatServer {
        server 192.168.0.1:8680  weight=10;
        server 192.168.0.2:8680  weight=10;
    }
    
    server {
        #监听端口，其中 http 是80，https 是 443 
        listen       80;
        #主机域名
        server_name  localhost;
        #设置访问的语言编码
        #charset koi8-r;
        #设置虚拟主机访问日志的存放路径及日志的格式为main
        #access_log  logs/host.access.log  main;

        #监听所有的 / 访问路径，并将它转化相应服务器
        location / {
             proxy_pass http://tomcatServer/;
        }


        #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 {
        #监听https请求
        listen       443 ssl;
        #主机域名
        server_name  api.gogo.cn;
        #公钥，他会被发送到连接服务器的每个客户端
        ssl_certificate      /usr/local/cert/lxcx.pem;
        #私钥，是用来解密的
        ssl_certificate_key  /usr/local/cert/lxcx.key;

        #缓存在所有工作进程之间共享，1MB可以存储4000个会话
        ssl_session_cache    shared:SSL:1m;
        #会话超时时间
        ssl_session_timeout  30m;
    
        #Nginx 只允许使用 TLS 协议
        #指令用于启动特定的加密协议    
        ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
        #选择加密套件
        ssl_ciphers HIGH:!aNULL:!MD5:!EXPORT56:!EXP;
        #设置协商加密算法时，优先使用我们服务端的加密套件，而不是客户端浏览器的加密套件
        ssl_prefer_server_ciphers  on;

        proxy_connect_timeout 500;
        proxy_send_timeout 500;
        proxy_read_timeout 500;
        client_max_body_size 200m;  
        location / {
           # root   html;
           # index  index.html index.htm;
           proxy_pass http://172.27.0.11:8680/;
        }
    }
    
    server {
        listen       443 ssl;
        server_name  admin.gogo.cn;

        ssl_certificate      /usr/local/cert/lxcx.pem;
        ssl_certificate_key  /usr/local/cert/lxcx.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;
        proxy_pass http://172.27.0.11:8380/;
        proxy_connect_timeout 500;
        proxy_send_timeout 500;
        proxy_read_timeout 500;
        client_max_body_size 200m;

        }
    }

}

upstream tomcatServer {
        server 192.168.0.1:8680  weight=10;
        server 192.168.0.2:8680  weight=10;
   }

upstream tomcatServer {
        ip_hash;
        server 192.168.0.1:8680;
        server 192.168.0.2:8680;
  }

upstream tomcatServer {
       server 192.168.0.1:8680;
       server 192.168.0.2:8680;
       fair;
}

location /{
          proxy_pass http://tomcatServer/;
        }