PostgreSQL reinstall ubuntu code example

Example 1: remove postgresql ubuntu

sudo apt-get --purge remove postgresql
sudo apt-get purge postgresql*
sudo apt-get --purge remove postgresql postgresql-doc postgresql-common

Example 2: postgresql install ubuntu

sudo apt update
sudo apt install postgresql postgresql-contrib

sudo -u postgres createuser --interactive

sudo -u postgres createdb database1

Example 3: uninstall postgresql mac

$ brew remove postgresql

Example 4: install postgresql ubuntu

sudo apt install postgresql postgresql-contrib