Generating link-local ULA address:

    echo fe80:$(uuid -v4|cut -c1-4):$(uuid -v4|cut -c1-4):$(uuid -v4|cut -c1-4):$(uuid -v4|cut -c1-4):$(uuid -v4|cut -c1-4):$(uuid -v4|cut -c1-4):$(uuid -v4|cut -c1-4)

Generating Wireguard link keys:

    from=conflatorio to=knot; wg genkey | tee keys/wg-$from-$to.sops.key | wg pubkey > keys/wg-$from-$to.pub; sops -e -i keys/wg-$from-$to.sops.key