The Open System Interconnection Reference Model OSI reference model is a unified model or standard that helps to stick devices manufactured by different companies work together. OSI reference model consists of 7 layers, that define functionality & limitations. Network devices can operate on a single or multiple layers based on a device capability or network…
PostgreSQL where (you can change them on your choice): Hint: using 25432 (or any other rarely used) port prevents conflicts You also can install it directly to your machine using this guide PostgreSQL + Postgis Hint: -d flag runs the container as a daemon: it starts in the background and you can continue working with the same terminal…
Problem: After installation ( sudo apt install postgresql-12) you try to connect to your fresh PostgresQL 12 using psql, but it’s responding Solution: in newer versions it might be 5433 by default, so it causes problems find a string with port = 5433 and change it to port = 5432 Change 12 to your porstgresql version…