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

[Brian Murray]

Bug 997200 has some details about improvements that could be made to
update-manager.

The fix for apt is now available in precise-proposed and details
regarding testing can be found in bug 346386.  I'm going to set the
Precise task to Fix Released rather than risk forgetting to close this
bug when apt moves to precise-updates.

** Changed in: apt (Ubuntu Precise)
       Status: Triaged => Fix Released

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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:
  Fix Released
Status in “update-manager” package in Ubuntu:
  Won't Fix
Status in “apt” source package in Precise:
  Fix Released
Status in “update-manager” source package in Precise:
  Won't Fix
Status in “apt” source package in Quantal:
  Fix Released
Status in “update-manager” source package in Quantal:
  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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