Upgrading Ubuntu - "Error authenticating some packages"

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Upgrading Ubuntu - "Error authenticating some packages"

Sometimes when upgrading Ubuntu you'll see this error message:

Error authenticating some packages
It was not possible to authenticate some packages. This may be a transient network problem. You may want to try again later. See below for a list of unauthenticated packages

Temporary workaround, create file


filled with the following


Now your sudo do-release-upgrade should run OK.

Make sure to remove this file once upgrade process is completed.

Source: http://sysadm.mielnet.pl/upgrading-ubuntu-10-04-to-12-04-error-authenticating-some-packages/

30 January 2018