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diogo's questions

Martin Hope
diogo
Asked: 2020-03-31 10:55:24 +0800 CST
  • 7

Can't sudo apt-get update:

Ign:8 http://download.opensuse.org/repositories/home:/Horst3180/xUbuntu_16.04  Release.gpg
Reading package lists... Done    
W: GPG error: http://download.opensuse.org/repositories/home:/Horst3180/xUbuntu_16.04  Release: The following signatures were invalid: EXPKEYSIG 5A7D1D38BEB6D886 home:Horst3180 OBS Project <home:[email protected]>
E: The repository 'http://download.opensuse.org/repositories/home:/Horst3180/xUbuntu_16.04  Release' is not signed.

From numerous tries, I get 

1 signature not checked due to a missing key

My attempt is:

sudo apt-key adv --keyserver hkp://keys.gnupg.net:80 --recv-keys 5A7D1D38BEB6D886
Executing: /tmp/apt-key-gpghome.f5yVraTkTa/gpg.1.sh --keyserver hkp://keys.gnupg.net:80 --recv-keys 5A7D1D38BEB6D886
gpg: key 5A7D1D38BEB6D886: 1 signature not checked due to a missing key
gpg: key 5A7D1D38BEB6D886: "home:Horst3180 OBS Project <home:[email protected]>" not changed
gpg: Total number processed: 1
gpg:              unchanged: 1

Am I getting closer? Other unfruitful attempts include:

  1. This command

    wget -nv http://download.opensuse.org/repositories/home:/Horst3180/xUbuntu_16.04/Release.key -O Release.key

sudo apt-key add - < Release.key

  2. software.opensuse.org

    sudo sh -c "echo 'deb http://download.opensuse.org/repositories/home:/Horst3180/xUbuntu_16.04/ /' > /etc/apt/sources.list.d/home:Horst3180.list"
wget -nv https://download.opensuse.org/repositories/home:Horst3180/xUbuntu_16.04/Release.key -O Release.key
sudo apt-key add - < Release.key

  3. This command

    sudo rm /var/lib/apt/lists/* -vf

  4. This command

    sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 5A7D1D38BEB6D886

    returns

    Executing: /tmp/apt-key-gpghome.9tPKjtyC1E/gpg.1.sh --keyserver keyserver.ubuntu.com --recv-keys 5A7D1D38BEB6D886
gpg: keyserver receive failed: No keyserver available

Note that at Horst3180's Home Project, the GPG key 5A7D1D38BEB6D886 has the expiration date of 2019-10-02, so the key is no longer valid it seems.

apt gnupg keyserver