How to Install PostgreSQL in Ubuntu 20.04 on Multipass Instance

PostgreSQL is a powerful, reliable, robust and open source object-relational database system.

The latest version of this database system is PostgreSQL 13.2, while versions 12.6, 11.11, 10.16, 9.6.21, & 9.5.25 still getting the regular updates.

This tutorial describe you to how to install the newest PostgreSQL on Ubuntu 20.04 LTS Linux system.

Prerequisites

A running Ubuntu 20.04 LTS system with shell access.