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Peter
Asked: 2018-01-14 04:11:45 +0800 CST

Data from such a repository can't be authenticated

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I am getting a below error when I do 

sudo apt-get update


Reading package lists... Done
W: The repository 'http://download.opensuse.org/repositories/home:    /Horst3180/xUbuntu_16.04  Release' does not have a Release file.
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.

Can anyone tell what might be the issue

EDIT: Output of cat /etc/apt/sources.list

deb http://archive.ubuntu.com/ubuntu xenial main
deb http://security.ubuntu.com/ubuntu/ xenial-security main
deb http://archive.ubuntu.com/ubuntu xenial-updates main
repository

1 Answers

  1. Best Answer

    First of all make sure that, this works:

    sudo rm -rf /var/lib/apt/lists/*
sudo rm -rf /etc/apt/sources.list.d/*
sudo apt-get update

    If it did not work, count that, I did not found any other choice for you besides running 

    sudo apt-get update --allow-unauthenticated

    This is a security risk, but if you are ready for this you can use --allow-unauthenticated flag for some other apt commands.

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