Ao tentar atualizar meu repositório via comando
sudo apt update estou recebendo a seguinte mensagem.
W: Erro GPG:
http://dell.archive.canonical.com/updates bionic-dell-service Release: Detached signature file '/var/lib/apt/lists/partial/dell.archive.canonical.com_updates_dists_bionic-dell-service_Release.gpg' is in unsupported binary format
E: The repository '
http://dell.archive.canonical.com/updates bionic-dell-service Release' is not signed.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(
manpage for repository creation and user configuration details.
Não encontrei solução na net e sou meio (bem leigo) no Linux, mas gosto muito deste SO>
Agradeço antecipadamente a ajuda.