Install Orb on Ubuntu before 20.04

These instructions are for installing Orb on Ubuntu versions prior to 20.04 (Focal Fossa).

Add Orb Forge's GPG key

curl -fsSL https://pkgs.orb.net/stable/debian/orbforge.asc | sudo apt-key add -

Add the orb repository

curl -fsSL https://pkgs.orb.net/stable/ubuntu/ubuntu.list | sudo tee /etc/apt/sources.list.d/orb.list

Install Orb

sudo apt-get update && sudo apt-get install orb

Enable auto-update

sudo systemctl enable --now orb-update.timer