Cool, definitely something that has needed to exist for a long time now!
What's the story with security? It looks like you are using Rserve, are you also using AppArmor or lxc or something to prevent users from doing bad things? I didn't do anything malicious but did play around with system() and was surprised how much I was allowed to do.
I suggest RAppArmor over the standard setup of AppArmor, and black-listing a few functions (which is a rather nasty way, but usually works) that should never be called in such shared environment. I did something with my sandboxR package, see some details at http://hackme.rapporter.net
@jcheng: not just "system" but e.g. a simple "readLines" call can also return funny stuff :)
What's the story with security? It looks like you are using Rserve, are you also using AppArmor or lxc or something to prevent users from doing bad things? I didn't do anything malicious but did play around with system() and was surprised how much I was allowed to do.