buildbot/nix-eval Build done.
Move allowedTCPPorts for node/ping/systemd/blackbox exporters from hosts/baseline.nix (applies to ALL hosts including linode) into modules/nixos/home.nix (applies only to greg.home = true hosts). This prevents ports 9100/9115/9427/9558 from being opened on linode, which is internet-facing. All LAN hosts set greg.home = true and will still get the ports opened; linode sets greg.home = false and will not.