The documentation page for installing the MMS Automation Agent (https://docs.mms.mongodb.com/tutorial/install-automation-agent-with-deb-package/#download-the-latest-version-of-the-automation-agent-archive) mentions:
On a system shell, issue a command that resembles the following. Replace amd64 with your platform, as needed:
However, no where on this page does it actually specify what the valid platforms are. This is quite confusing.
Furthermore, I believe that 64-bit (amd_64) is the only architecture currently supported, which makes this sentence even more confusing.