PostgreSQL 10 on Ubuntu 18.04

PostgreSQL.sh

#!/bin/sh

wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | sudo apt-key add -
sudo sh -c 'echo "deb http://apt.postgresql.org/pub/repos/apt/ $(lsb_release -sc)-pgdg main" > /etc/apt/sources.list.d/PostgreSQL.list'
sudo apt update
sudo apt-get install postgresql-10

sudo systemctl stop postgresql.service
sudo systemctl start postgresql.service
sudo systemctl enable postgresql.service
sudo systemctl status postgresql.service

sudo su -l postgres
psql