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user5950
Asked: 2015-01-31 18:47:00 +0800 CST

Can't do a release upgrade from 14.04: It was not possible to authenticate some packages

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Trying to do a release upgrade on Ubuntu 14.04 with:

do-release-upgrade

I get the following error:

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.

libxkbcommon-x11-0

What is this about? I did 

sudo apt-get update && sudo apt-get dist-upgrade

before and deactivated all ppas. What else could I do?

do-release-upgrade

1 Answers

  1. run this command 

    sudo sh -c 'printf "[Distro]\nAllowUnauthenticated=yes" > /etc/update-manager/release-upgrades.d/unauth.cfg'

    this will fix your issue

    and after the upgrade run sudo rm /etc/update-manager/release-upgrades.d/unauth.cfg

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