serpent213

% iex --name 'master@192.168.213.95' --cookie '1mk0ulenVwtz4bktF15Xu2OH8xn0CjgC4Vp4KVU5QC/kIqsbXuEoF4nPTgB04zys'
Erlang/OTP 20 [erts-9.0] [source] [64-bit] [smp:8:8] [ds:8:8:10] [async-threads:10] [hipe] [kernel-poll:false] [dtrace]

Interactive Elixir (1.4.5) - press Ctrl+C to exit (type h() ENTER for help)
iex(master@192.168.213.95)1> Node.connect :'brainz@192.168.213.81'
true
iex(master@192.168.213.95)2> :observer.start
:ok

serpent213

  def init_kernel_modules() do
    Enum.each(@kernel_modules, & System.cmd("modprobe", [&1]))
  end

  def init_network() do
    opts = Application.get_env(:brainz, @interface)
    Nerves.InterimWiFi.setup(@interface, opts)
  end

serpent213

% iex --name 'master@192.168.213.95' --cookie '1mk0ulenVwtz4bktF15Xu2OH8xn0CjgC4Vp4KVU5QC/kIqsbXuEoF4nPTgB04zys' --remsh 'brainz@192.168.213.81'
Erlang/OTP 20 [erts-9.0] [source] [64-bit] [smp:8:8] [ds:8:8:10] [async-threads:10] [hipe] [kernel-poll:false] [dtrace]

Interactive Elixir (1.4.5) - press Ctrl+C to exit (type h() ENTER for help)
iex(brainz@192.168.213.81)1> System.cmd("pwd", [])
{"/srv/erlang\n", 0}
iex(brainz@192.168.213.81)2> System.cmd("ls", ["/etc"])        
{"ssl\nshadow\nresolv.conf\nprofile.d\npasswd\nos-release\nnsswitch.conf\nnetwork\nmtab\nmodprobe.d\nmke2fs.conf\nlibnl\nhosts\ngroup\nfw_env.config\nerlinit.config\nerl_inetrc\n",
 0}
iex(brainz@192.168.213.81)3> model_bin = File.read!("/proc/device-tree/model")

serpent213

## Distributed Erlang Options
##  The cookie needs to be configured prior to vm boot for
##  for read only filesystem.

-name brainz@192.168.213.81
-setcookie 1mk0ulenVwtz4bktF15Xu2OH8xn0CjgC4Vp4KVU5QC/kIqsbXuEoF4nPTgB04zys

serpent213

def application(_target) do
  [mod: {Brainz.Application, []},
   extra_applications: [:logger, :runtime_tools]]
end

serpent213

% mix firmware  
Mix environment
  MIX_TARGET:   bbb
  MIX_ENV:      dev

Compiling 1 file (.ex)
|nerves_bootstrap| Building OTP Release...

==> Cleaning all releases..
==> Clean successful!

serpent213

def deps(target) do
  [ system(target),
    {:bootloader, "~> 0.1"},
    {:nerves_runtime, "~> 0.4"},

    {:logger_multicast_backend, "~> 0.2.2"},
    {:nerves_interim_wifi, "~> 0.2.0"}
  ]
end

serpent213

def deps(target) do
    [ system(target),
      {:bootloader, "~> 0.1"},
      {:nerves_runtime, "~> 0.4"},

      {:nerves_interim_wifi, "~> 0.2.0"}
    ]
  end

serpent213

config :logger,
  backends: [ :console,
              {LoggerMulticastBackend,
                target: {{192,168,213,95}, 514},
                level: :debug}
            ]

serpent213

defmodule NervesBBBEEPROM do
  @moduledoc """
  Documentation for NervesBbbEeprom.
  """

  @doc """
  Hello world.

  ## Examples