Socket programming in Ruby

ruby-talk
1

What are the requirements for the IP address passed to TCPSocket.new?
Example...

require 'socket'

=> true

s = TCPSocket.new '127.0.0.1', 6500

Errno::ECONNREFUSED: Connection refused - connect(2)
  from (irb):2:in `initialize'
  from (irb):2:in `new'
  from (irb):2

In other words, what relationship does the machine on which the Ruby
code is being run have with the IP address referenced in the code?

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2

Never mind -- turns out you have to create a TCPServer first.

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