Finally:
UniFi Network Application 9.1.116 has been released! UniFi Network Application 7.5 and newer requires MongoDB 3.6 and Java 17. Version 7.5 to 8.0 supports up to MongoDB 4.4. Version 8.1 and newer supports up to MongoDB 7.0. Version 9.0 and newer supports up to MongoDB 8.0 and Java 17/21
Installing UniFi Network Appliance on a Linux host can be a challange.
There is a nice Unifi community post1) [ Credits to:Glenn R ] for an automated installation.
It might be paranoid, but I personally prefer to do my own stuff and not let scrips written by others run on my machines (although this one can be checked, as it is open to look into).
For this reason I worked out myself how the challenge is taken within a few moments. It's just a matter of picking the right stuff.
Here you go:
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sudo apt install -y apt-transport-https ca-certificates gnupg2 curl
You may install MongoDB 8.x or lower (check references for that) depending on your needs or desire.
curl -fsSL https://www.mongodb.org/static/pgp/server-8.0.asc | \ sudo gpg -o /usr/share/keyrings/mongodb-server-8.0.gpg \ --dearmor
echo "deb [ signed-by=/usr/share/keyrings/mongodb-server-8.0.gpg ] http://repo.mongodb.org/apt/debian bookworm/mongodb-org/8.0 main" | sudo tee /etc/apt/sources.list.d/mongodb-org-8.0.list
sudo apt update; sudo apt install -y mongodb-org
Be aware, MongoDB 8 requires modern CPUs that support AVX, AVX2. If you are using ProxmoxVE, you will have to adjust the CPU model for your VM
Custom CPU ProxmoxVE
We need Java runtime environment 17 (headless is fine):
sudo apt install -y openjdk-17-jre-headless
Note: don't forget to „apt-mark hold openjdk-17-jre-headless“ , else it will be upgraded on next update run
Fetch unifi gpg key, add repo and install:
sudo wget -O /etc/apt/trusted.gpg.d/unifi-repo.gpg https://dl.ui.com/unifi/unifi-repo.gpg; echo 'deb https://www.ui.com/downloads/unifi/debian stable ubiquiti' | sudo tee /etc/apt/sources.list.d/100-ubnt-unifi.list; sudo apt update; sudo apt install -y unifi
You may now access your UNA with https://IP.of.your.server:8443 and deploy your backup or create a new site.
Don't forget to consider upscaling, depending on amount of devices at your sites.
Recommendation:
If you want to deploy a backup (*.unf) file, do it before proceeding with next steps.
You may also continue with UNA behind a NGINX reverse proxy if you want to enhance your installation.
References:
https://help.ui.com/hc/en-us/articles/220066768-UniFi-Network-Updating-Third-Party-non-Console-UniFi-Network-Applications-Linux-Advanced-
https://www.mongodb.com/download-center/community/releases
https://www.mongodb.com/docs/manual/tutorial/install-mongodb-on-debian/
Enjoy!