If Anybody know, please teach me step by step because im newbie here. Still need many thing to learn. Please …
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Hi @meimei,
What you are trying to do is access a specific service like NodeJS, Django and so on on a specific port - 9443.
Let’s say you want to install NodeJS. Here is an article which can help you do that:
https://www.digitalocean.com/community/tutorials/how-to-set-up-a-node-js-application-for-production-on-ubuntu-16-04
After that, what you can do is add Nginx as a reverse proxy. This will allow you to load your Domain without adding the port 9443 and Nginx will redirect you internally to that port;
https://www.digitalocean.com/community/tutorials/how-to-configure-nginx-as-a-web-server-and-reverse-proxy-for-apache-on-one-ubuntu-18-04-server