Answers for "W: Failed to fetch http://deb.parrotsec.org/parrot/dists/stable/InRelease The following signatures couldn't be verified because the public key is not available: NO_PUBKEY B56FFA946EB1660A"

W: Failed to fetch http://deb.parrotsec.org/parrot/dists/stable/InRelease The following signatures couldn't be verified because the public key is not available: NO_PUBKEY B56FFA946EB1660A

sudo apt-get --download-only --reinstall install resolvconf
sudo dpkg --purge --force-depends resolvconf
sudo apt-get install resolvconf

W: Failed to fetch http://deb.parrotsec.org/parrot/dists/stable/InRelease The following signatures couldn't be verified because the public key is not available: NO_PUBKEY B56FFA946EB1660A

nameserver 8.8.8.8

W: Failed to fetch http://deb.parrotsec.org/parrot/dists/stable/InRelease The following signatures couldn't be verified because the public key is not available: NO_PUBKEY B56FFA946EB1660A

sudo nano /etc/resolv.conf