root-system-proofd 5.18.00-2.3ubuntu7 (amd64 binary) in ubuntu natty

 This package contains the PROOF server. proofd is the core daemon of
 the PROOF (Parallel ROOt Facility) system for distributed parallel
 computing. Installing this package on a machine, makes it possible
 for the machine to participate in a parallel computing farm (cluster
 or via the Internet), either as a master or a slave, using a
 transparent interface.
 .
 ROOT web-site: http://root.cern.ch