[Bug 2055711] Re: Cannot set APT::Periodic::Update-Package-Lists

[Julian Andres Klode]

You probably have /etc/apt/apt.conf.d/20auto-upgrades or another file
later in the search order that overrides the setting, 20auto-upgrades is
what unattended-upgrades configures.

** Changed in: apt (Ubuntu)
       Status: New => Invalid

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Title:
  Cannot set APT::Periodic::Update-Package-Lists

Status in apt package in Ubuntu:
  Invalid

Bug description:
  On Ubuntu 22.04.4 running apt 2.4.11 (amd64), I cannot set
  APT::Periodic::Update-Package-Lists. No matter which value I enter, it
  is always interpreted as '1'. Steps to reproduce:

  1. Open /etc/apt/apt.conf.d/10periodic
  2. Enter APT::Periodic::Update-Package-Lists "2" (or any other number, or "3h" or "always")
  3. Save and exit
  4. Run sudo apt-config shell UpdateInterval APT::Periodic::Update-Package-Lists
  5. The console prints UpdateInterval='1'

  Changing other config options, like APT::Periodic::Download-
  Upgradable-Packages, works. Changing the order of the lines in
  10periodic does not affect the result.

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