How to connect to your remote PostgreSQL server
The PostgreSQL database management system, by default, does not allow remote connections to its databases. This video shows how to enable remote connections to PostgreSQL databases.
Caution
Be sure you have assigned a password to the postgres user. If you can't log in with the terminal using the postgres user, run "passwd postgres" with user root or "sudo passwd postgres" with a privileged user.
Software
Operating system: Linux
Distribution: Debian
Version: 10 Buster
Database management system (DBMS): PostgreSQL
Version: 11