2. sudo apt-get install pcre* -y
    3. sudo apt-get update
    4. sudo apt-get install libpcre3 libpcre3-dev  
    5. sudo apt-get install zlib1g-dev
    6. sudo apt-get install openssl libssl-dev 
    7. cd /opt/
    8. wget http://nginx.org/download/nginx-1.18.0.tar.gz
    9. cp nginx-1.18.0.tar.gz /usr/local
    10. mv nginx-1.18.0 nginx
    11. cd nginx/
    12. ./configure --prefix=/usr/local/nginx
    13. make && make install 
    14. ln -s /usr/local/nginx/sbin/nginx /usr/local/bin/nginx
    15. mkdr -p /usr/local/nginx/logs/
    16. nginx
    17. ps -ef | grep nginx
    19. mv nginx.conf nginx.conf.bak
    20. vi nginx.conf
    22. events {
    23.   worker_connections  1024;  ## Default: 1024
    24. }
    26. http {
    27.     upstream upstream_name{
    28.         server 172.31.3.206:8083;
    29.         server 172.31.4.38:8083;
    30.     }
    32.     server {
    33.         listen       9083;
    34.         server_name  localhost;
    36.         location / {
    37.             proxy_pass http://upstream_name;
    38.             proxy_set_header Host $host;
    39.             proxy_set_header X-Real-IP $remote_addr;
    40.             proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    41.         }
    42.     }
    43. }
    46. nginx -s reload
    48. nginx -t