Reasons why erl -remsh might not work?

[mats cronqvist]

Rob Charlton <rob.charlton@REDACTED> writes:

> I am trying to connect a remote shell to a running erlang node on a
> remote customer's site. I am ssh'd into the machine on which the node is
> running. It is running Red Hat 4, erlang R12B
>
> If I start (what I think is the same) node on my own machine, then do:
> erl -sname test -remsh mynode@REDACTED
> then the shell works.
>
> If I ssh to the remote machine and type:
> erl -sname test -remsh theirnode@REDACTED -cookie theircookie

  -setcookie perhaps?