|Build your own parallel system with your collection of computers, PVM, and SSH...|
If you have a couple of old Linux boxes sitting around, then you've got the makings of a supercomputer. Dust them off, install Secure Shell (SSH) and Parallel Virtual Machine (PVM), and start your complex algorithms.
All right, it's not quite as simple as that. PVM handles only the messaging between the machines. You must write your own programs to actually do anything.
First, network your PCs and set up NFS on each...