Ubuntu 20.04 — which was released few days ago (23rd April) — brings with it a new installer, replacing the previous Debian installer with subiquity. This means that any of the previous approaches for automated/unattended installs no longer work and need to be replaced. No one seemed to have documented doing this successfully yet with Packer, so I set out to figure it out. But first, here’s a working unattended configuration: ubuntu-2004.json: {"builders":[{"name":"ubuntu-2004","type":...
