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Ubuntu apt-get GPG annoyances

Seeing something like this when trying to update your Ubuntu box?

# sudo apt-get update

W: GPG error: breezy-updates Release: The following signatures were invalid: BADSIG 40976EAF437D05B5 Ubuntu Archive Automatic Signing Key

W: You may want to run apt-get update to correct these problems

It is probably related to the following:

The basic fix is to wait a day or two and try again and hopefully it’ll be fixed. If that doesn’t fix
it, you need to run apt-get foo –some-obscure-option-thats-never-mentioned-in-the-manpage.
Glad to know security bites the good guys and bad guys equally.

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