Installation of ICDx 1.2 on Ubuntu 16.04 fails with an error that indicates rabbitmq-server could not be authenticated.
Some or all of the following messages may appear at the Linux CLI or in the installation log:
WARNING: The following packages cannot be authenticated: rabbitmq-server"
E: There were unauthenticated packages and -y was used without --allow-unauthenticated"
Loaded: not-found (Reason: no such file or directory)
Active: inactive (dead)
systemd: Failed to start ICDx Log Collector Service."