Controller

Forget an Access Point

Device/Config/Manage Device/Forget

SNMP with VM

Actually the AP are SNMP enabled, not the controller itself.

The controller is a virtual machine, the APs are the hardware stuff.

Ubuntu install

https://help.ui.com/hc/en-us/articles/220066768-UniFi-How-to-Install-and-Update-via-APT-on-Debian-or-Ubuntu

What is missing though is:

apt install openjdk-8-jre-headless

Access points

SSH access:

ssh ubnt@your_ip_address
#default password is "ubnt".

Documentation: https://sites.google.com/site/altwhy/wiki/ssh-reset-adopting-unify-ap