# Diagnostics

## CPU

```elixir
File.read!("/proc/cpuinfo") |> IO.puts()
```

## Networking

```elixir
VintageNet.info()
```

## Erlang

```elixir
import IEx.Helpers
runtime_info()
```

## Nerves.Runtime.KV

```elixir
kv = Nerves.Runtime.KV.get_all()
active = kv["nerves_fw_active"]

data =
  Enum.group_by(kv, fn
    {<<^active::binary-1, ".", _::binary>>, _} -> :active
    {<<_::8, ".", _::binary>>, _} -> :inactive
    _ -> :global
  end)
  |> Enum.map(fn {group_name, group_members} ->
    {group_name, Enum.map(group_members, fn {k, v} -> %{key: k, value: v} end)}
  end)

Kino.DataTable.new(data[:global])
|> Kino.render()

Kino.DataTable.new(data[:active])
|> Kino.render()

Kino.DataTable.new(data[:inactive])
```