[Bug 1823070] Re: unattended-upgrades should tell the user (via motd) when security updates are held back

[Francis Ginther]

** Tags added: id-5ca50c3568756c4a351b6f5f

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https://bugs.launchpad.net/bugs/1823070

Title:
  unattended-upgrades should tell the user (via motd) when security
  updates are held back

Status in unattended-upgrades package in Ubuntu:
  New

Bug description:
  Currently we have the following pieces as part of the default UX on
  Ubuntu 18.04 and later:

   1) unattended-upgrades automatically installs security updates daily by default
   2) the motd reports the number of available updates, including security updates.

  A user who knows about 1) also knows that a non-zero number of pending
  security updates listed in 2) is nothing to worry about.

  However, unattended-upgrades will also cleverly detect when a security
  update cannot safely be installed non-interactively due to conffile
  changes on the system.

  In this case, unattended-upgrades should also inform the user via the
  motd that these updates are not being installed.  Otherwise, there's
  nothing to tell the user that the non-zero count of available security
  updates in motd is a *problem*.

  Suggested wording:

   N security updates will not be automatically installed due to local changes.
   See /var/log/foo for details.

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