websages apt repository websages package signing public key or
gpg --list-keys | grep 8B3F1AA2 || gpg --keyserver pgp.mit.edu --recv-keys 8B3F1AA2
apt-key list | grep 8B3F1AA2 || gpg  --export --armor 8B3F1AA2 | apt-key add -
/etc/apt/sources.list snippet
/etc/apt/preferences snippet