Debian – How to resolve 'An error occurred during the signature verification' in Parrot OS after GPG key update?2025
I recently encountered an issue in Parrot OS when attempting to update packages. Err:3 https://deb.parrot.sh/parrot lory InRelease The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 7A8286AF0E81EE4A I thought there is a key verification issue…