# File lib/mcollective/util.rb, line 545
    def self.get_hidden_input_on_unix()
      unless $stdin.tty?
        raise 'Could not hook to stdin to hide input. If using SSH, try using -t flag while connecting to server.'
      end
      unless system 'stty -echo -icanon'
        raise 'Could not hide input using stty command.'
      end
      input = $stdin.gets
      ensure
        unless system 'stty echo icanon'
          raise 'Could not enable echoing of input. Try executing `stty echo icanon` to debug.'
        end
      input
    end