Mumble is an open source voice chat application.

Install client

To install the Mumble client it is needed to install a package:

  environment.systemPackages = with pkgs; [
    mumble
  ];

PulseAudio Support

Add the following to your configuration.nix for pulseaudio support:

{ config, pkgs, ...}:
{
  environment.systemPackages = [
    (pkgs.mumble.override { pulseSupport = true; })
  ];
}

Murmur is the server service for Mumble clients. It can be enabled and has several options available.

  services.murmur = {
    enable = true;
    openFirewall = true;
  };

The initial password for the user SuperUser is written in the slog table in the sqlite database: /var/lib/murmur/murmur.sqlite