[Bug 24061] Re: GPG error with apt-get/aptitude/update-manager behind proxy (BADSIG 40976EAF437D05B5)

[Berend De Schouwer]

This happens to me if update-mangager starts before I've had a change to
type the proxy password (pretty much every day in the office)

It would be nice if apt would wipe the BADSIGs on a restart, so that I
can get a fresh list after typing the proxy password without manually
removing files in /var/lib/apt/lists/.  I'm going to have to cron it
otherwise.  Why does it not overwrite BADSIGs with new ones?

Alternatively I'm going to have to get update-manager to wait a bit
until 10 minutes after login to start downloading.

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https://bugs.launchpad.net/bugs/24061

Title:
  GPG error with apt-get/aptitude/update-manager behind proxy (BADSIG
  40976EAF437D05B5)

Status in “apt” package in Ubuntu:
  Triaged
Status in “update-manager” package in Ubuntu:
  Won't Fix

Bug description:
  I keep getting this when i launch the update manager.

  W: GPG error: http://archive.ubuntu.com breezy-updates Release: The following
  signatures were invalid: BADSIG 40976EAF437D05B5 Ubuntu Archive Automatic
  Signing Key <ftpmaster at ubuntu.com>

  How can I fix it?

  ***********
  WORKAROUND:
  ----------
  Run the following commands(saves a backup of the old lists and creates a new lists folder) and the BADSIG error does not occur :

  $ cd /var/lib/apt
  $ sudo mv lists lists.old
  $ sudo mkdir -p lists/partial
  $ sudo apt-get update

  ***********

  comment from Rolf Leggewie: This is due to cache inconsistencies and
  thus is not necessarily a bug in Ubuntu at all.  But I hope the fine
  devs can find a way to better deal with broken proxies.  This is a
  very visible issue, a large number of internet connections are behind
  proxies and the users cannot do anything about it.

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