Hello do ...(one@huracan)1> def hello(name) do ...(one@huracan)1> IO.puts 'Hello #{name}, in #{Node.self}.' ...(one@huracan)1> end ...(one@huracan)1> end iex(one@huracan)2> Hello.hello(‘foo’) Hello foo, in one@huracan. % iex --sname two --cookie cookie1 iex(two@huracan)1> defmodule Hello do … লུ iex(two@huracan)1> Hello.hello(‘foo’) Hello foo, in two@huracan. % iex --sname three --cookie cookie1 iex(three@host_b)1> Hello.hello(‘foo’) ** (UndefinedFunctionError) undefined function Hello.hello/1