Unfortunately I am not even getting past installing Mongo DB on Debian 11. And there isn't much out there that I can find that works.

I see a tp link guide for up to Debian 11, but not 12. Which are you using?

aarch64 & Ubuntu 20.04.5 LTS

@kilovar Solid guide. I am getting stuck on the very last part. When I put in sudo apt install /home/pi/Omada_SDN_Controller_v5.7.4_Linux_x64.deb I receieve the following output: Reading package...