urgh .. working through the packages that FAI and puppet install for Bionic to find the differences we need to consider for Focal
Doesn't help that Bionic was a 'well it works with those tweaks' upgrade of Xenial. Some packages weren't needed, or because they were installed, the Bionic version/alternate wasn't used .. resolvconf comes to mind.
Really should re-examine the what/why of each explicitly installed package.
This can be fun work.
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