I am finding out if Thingworx has released Edge Micro server for linux based machines (Ubuntu 16.04)
from the download links i have found only for Rasberry Pi and a windows download, but not for linux.
Does the licensed software downloads section can have the ubuntu download for Edge Micro Server?
Yes, the EMS is available for the following environments:
In the case of Ubuntu, you would want the Linux x86-32 or Linux x86-64 version, depending on the OS.
Check out the upcoming Expert Session: Understanding ThingWorx Navigate Licensing in Community "Customer Events" section.