Server:

#!/usr/bin/env ruby
# File: example/net/drb/server.rb
require 'drb'

class TestServer
    def doit
        "Hello, Distributed World"
    end
end

aServerObject = TestServer.new
DRb.start_service('druby://localhost:9000', aServerObject)
DRb.thread.join # Don't exit just yet!

Klient:

#!/usr/bin/env ruby
# File: example/net/drb/client.rb
require 'drb'

DRb.start_service()
obj = DRbObject.new(nil, 'druby://localhost:9000')

# Now use obj
p obj.doit