Debian

sudo apt update

sudo apt install --yes apt-transport-https

echo 'deb https://www.ui.com/downloads/unifi/debian stable ubiquiti' | sudo tee /etc/apt/sources.list.d/100-ubnt-unifi.list

sudo wget -O /etc/apt/trusted.gpg.d/unifi-repo.gpg https://dl.ui.com/unifi/unifi-repo.gpg

sudo apt update

sudo apt install --yes openjdk-8-jre-headless unifi

sudo apt clean

sudo systemctl status --no-pager --full mongodb.service unifi.service

sudo ufw enable

sudo ufw allow 8443/tcp

sudo service unifi restart