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enable multicast dns for desktop machines

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It's quite cool if you can just ping machines by hostname.
This commit is contained in:
Jörg Thalheim 2024-04-12 18:30:20 +02:00
parent bed9cfce2a
commit a5cc8d86c4
3 changed files with 9 additions and 0 deletions
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1
nixos/default.nix
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@ -56,6 +56,7 @@ exposeModules ./. [
./mixins/tracing.nix
./mixins/trusted-nix-caches.nix
./mixins/nix-experimental.nix
./mixins/mdns.nix
./roles/github-actions-runner.nix
./roles/nix-remote-builder.nix
./roles/prometheus

1
nixos/desktop/default.nix
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@ -1,6 +1,7 @@
{ lib, ... }: {
imports = [
../common
../mixins/mdns.nix
./pipewire.nix
];

7
nixos/mixins/mdns.nix Normal file
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@ -0,0 +1,7 @@
{ lib, ... }: {
# Allows to find machines on the local network by name, i.e. useful for printer discovery
systemd.network.networks."99-ethernet-default-dhcp".networkConfig.MulticastDNS = lib.mkDefault "yes";
systemd.network.networks."99-wireless-client-dhcp".networkConfig.MulticastDNS = lib.mkDefault "yes";
networking.firewall.allowedUDPPorts = [ 5353 ]; # Multicast DNS
}