安装nginx

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yum -y install openssl openssl-devel pcre pcre-devel zlib zlib-devel gcc gcc-c++
解压缩nginx-xx.tar.gz包。
进入解压缩目录，执行
./configure --prefix=/opt/module/nginx
make & make install
占用端口
server.port=80
赋权
sudo setcap cap_net_bind_service=+eip /usr/local/nginx/sbin/nginx
启动报错
ln -s /usr/local/lib/libpcre.so.1 /lib64
修改配置
修改/usr/local/nginx/conf/nginx.conf

http{
   ..........
    upstream logserver{
      server    hadoop1:8080 weight=1;  
      server    hadoop2:8080 weight=1;
      server    hadoop3:8080 weight=1;
 
    }
    server {
        listen       80;
        server_name  logserver;
 
        location / {
            root   html;
            index  index.html index.htm;
            proxy_pass http://logserver;
            proxy_connect_timeout 10;
 
         }
   ..........
}