UniFi Network Controller

sudo apt update && sudo apt install -y apt-transport-https ca-certificates gnupg haveged

wget -qO - https://dl.ui.com/unifi/unifi-repo.gpg | sudo apt-key add - && \
wget -qO - https://adoptopenjdk.jfrog.io/adoptopenjdk/api/gpg/key/public | sudo apt-key add - && \
wget -qO - https://www.mongodb.org/static/pgp/server-3.6.asc | sudo apt-key add - && \
echo "deb https://www.ui.com/downloads/unifi/debian stable ubiquiti" | sudo tee /etc/apt/sources.list.d/100-ubnt-unifi.list && \
echo "deb https://adoptopenjdk.jfrog.io/adoptopenjdk/deb bullseye main" | sudo tee /etc/apt/sources.list.d/adoptopenjdk.list && \
echo "deb http://repo.mongodb.org/apt/debian stretch/mongodb-org/3.6 main" | sudo tee /etc/apt/sources.list.d/mongodb-org-3.6.list

sudo apt update && sudo apt remove openjdk-11-* && sudo apt install -y unifi adoptopenjdk-8-hotspot mongodb-org && \
sudo systemctl enable unifi.service && sudo systemctl enable mongod.service && sudo systemctl enable haveged.service

Идём по адресу https://<АДРЕС_ТАЧКИ>:8443/

Если UI недоступен, то проверяем состояние сервиса, но у меня стартанул и взлетел без ошибок.

sudo systemctl status unifi.service