Aptly repository

Setup on Debian 9 (stretch)

wget -O- http://deb.ztier.link/repo.pub | sudo apt-key add -
echo deb http://deb.ztier.link/debian stretch main | sudo tee /etc/apt/sources.list.d/ztier.list
sudo apt-get update

Setup on Debian 10 (buster)

wget -O- http://deb.ztier.link/repo.pub | sudo apt-key add -
echo deb http://deb.ztier.link/debian buster main | sudo tee /etc/apt/sources.list.d/ztier.list
sudo apt-get update

Setup on Ubuntu 18.04 LTS (bionic)

wget -O- http://deb.ztier.link/repo.pub | sudo apt-key add -
echo deb http://deb.ztier.link/ubuntu bionic main | sudo tee /etc/apt/sources.list.d/ztier.list
sudo apt-get update