W: GPG error: ./ Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 2F7F0DA5FD5B64B9
W: The repository ' ./ Release' is not signed.
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.

I am trying to get rid of the above error message seemingly related to release key and opensuse url.

What would be the proper solution?

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1 Answer

This worked for me:

wget -nv -O Release.key
sudo apt-key add - < Release.key
sudo apt-get update

Source

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