require 'drb'
class TestServer
def add(*args)
args.inject {|n,v| n + v}
end
end
server = TestServer.new
DRb.start_service('druby://localhost:9000', server)
DRb.thread.join # Don't exit just yet!
require 'drb'
DRb.start_service()
obj = DRbObject.new(nil, 'druby://localhost:9000')
# Now use obj
puts "Sum is: #{obj.add(1, 2, 3)}"