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# 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)
Kino.DataTable.new(data.global)
|> Kino.render
Kino.DataTable.new(data.active)
|> Kino.render
Kino.DataTable.new(data.inactive)
|> Kino.render
```