REST APIs with Flask and Python - Installing PostgreSQL in Ubuntu 16.04

This video tutorial guides viewers through the process of installing PostgreSQL on a server. It covers connecting to the server via SSH for Unix systems and a web interface for Windows. The tutorial explains updating packages using the APT package manager and installing PostgreSQL. It also details setting up a PostgreSQL user and database, and concludes with instructions on exiting the session and a preview of creating a new user in the next video.

What will happen if you press enter when prompted with a question in Unix?

What is the default port for PostgreSQL?

How can you exit the PSQL process?