client.rb

require 'socket'

# read 1024 bytes from /dev/urandom and replace non UTF-8 cahracters with ''
seq = %x(dd if=/dev/urandom bs=1024 count=1)
seq.encode!('UTF-8', 'binary', invalid: :replace, undef: :replace, replace: '')
seq.gsub!(/\s+/, "")

# Send urandom data to the server via socket
socket = TCPSocket.open('localhost', 7563)
socket.print(seq)
socket.close

server.rb

require 'socket'

server = TCPServer.new 'localhost', 7563
puts 'Listen to localhost:7563'

loop do
  # Start socket connection handling in Thread
  Thread.start(server.accept) do |client|
    puts '-' * 50
    puts "START SOCKET CONNECTION #{Time.now}"
    puts '-' * 50

    # Print request content to console
    while line = client.gets
      puts line
    end

    puts '-' * 50
    puts "FINISH SOCKET CONNECTION #{Time.now}"
    puts '-' * 50

    client.close
  end
end