The following scripts install PostgreSQL on Ubuntu 22.04

Installation Steps

Perform Updates

First install any updates for Ubuntu

sudo apt update
sudo apt upgrade -y

Add Repository and Install

Ubuntu does not include PostgreSQL so we must add the repository manually.

# Add the repository
sudo sh -c 'echo "deb http://apt.postgresql.org/pub/repos/apt/ $(lsb_release -cs)-pgdg main" > /etc/apt/sources.list.d/pgdg.list'

# Add the signing keys
wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | sudo apt-key add -

# Update the package list to include the new repository
sudo apt update

# Perform the install
sudo apt install postgresql-15 -y

Start and Enable PostgreSQL

Once installed, we will start and enable PostgreSQL. This ensures that the service starts up after a reboot.

# Start and enable the PostgreSQL service
sudo systemctl start postgresql
sudo systemctl enable postgresql

# Ensure the service is running
sudo systemctl status postgresql

# Connect to PostgreSQL locally
sudo -i -u postgres
psql