[Bug 1644541] Re: Update stuck at “configuring unattended-upgrades”

[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: unattended-upgrades (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1644541

Title:
  Update stuck at “configuring unattended-upgrades”

Status in unattended-upgrades package in Ubuntu:
  Confirmed

Bug description:
  On basically fresh install from ubuntu-16.04.1-desktop-amd64.iso; no
  updates or installs had been applied since installing the OS from the
  media.

  During execution of "Software Updater", it freezes indefinitely while
  "Installing updates..." at the step marked "Configuring unattended-
  upgrades."

  It appears that this happens if System Settings->Software &
  Updates->Updates, "Automatically check for updates" has been set to
  "Never."

  If that is instead set to "Daily" and the following are then set in
  /etc/apt/apt.conf.d/10periodic then the update succeeds:

  APT::Periodic::Update-Package-Lists "1";
  APT::Periodic::Download-Upgradeable-Packages "1";
  APT::Periodic::AutocleanInterval "7";
  APT::Periodic::Unattended-Upgrade "1";

  Someone else had asked about this issue at AskUbuntu.  Their question
  along with my answer (from Kevin) provide some further details:

  http://askubuntu.com/questions/851371/update-stuck-at-configuring-
  unattended-upgrades-software-updater-turned-black/852110#852110

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