Update client_max_body_size value in NGINX SERVER

   1. Login to SSH through putty as root user.

   2. Redirect to site nginx config file as like below. 
          cd etc/nginx/conf.d/

   3. List all domain config file in above folder using below comment.
          ls -a

   4. Edit respective domain config file using below comment
          vi domain.com.conf

   5. Use “i” letter in windows to change the comment view files into edit mode. To know more about file edit
 
    6. Add below line if its not exist in the config file. OR update values based on your need. 
         client_max_body_size 500m;

    7. Finally restart Nginx using below comments.
          service nginx reload
 
    8. DONE.