I feel like I'm missing something stupid obvious, but I've looked all over and can't find the answer to my question. Suppose I have an application release that I've built with rebar and I start it a la rel/my_app/bin/my_app start I let it happily go about its business for a while, and then I want to attach a console to check on things, so I do rel/my_app/bin/my_app attach and get a shell. I muck a