thufir@dur:~/ruby$
thufir@dur:~/ruby$ ruby weather.rb
/home/thufir/.rvm/gems/ruby-2.0.0-p247/gems/em-simple_telnet-0.0.14/lib/em-simple_telnet.rb:712:in `pause_and_wait_for_result': EventMachine::Protocols::SimpleTelnet::ConnectionFailed (EventMachine::Protocols::SimpleTelnet::ConnectionFailed)
	from /home/thufir/.rvm/gems/ruby-2.0.0-p247/gems/em-simple_telnet-0.0.14/lib/em-simple_telnet.rb:246:in `connect'
	from /home/thufir/.rvm/gems/ruby-2.0.0-p247/gems/em-simple_telnet-0.0.14/lib/em-simple_telnet.rb:191:in `block in new'
thufir@dur:~/ruby$
thufir@dur:~/ruby$ cat weather.rb
#!/usr/bin/env ruby
require 'rubygems'
require 'em-simple_telnet'
require 'yaml'
require 'pry'
require 'pp'

opts = YAML.load_file('params.yml')

EM::P::SimpleTelnet.new(opts) do |host|
  puts host.cmd("ls -la")
end
thufir@dur:~/ruby$
thufir@dur:~/ruby$ cat params.yml
Binmode: false
Output_log: out.log
Dump_Log: dump.log
Prompt: /[#]/
Telnetmode: false
Timeout: 600
Waittime: 0
Host: rainmaker.wunderground.com
Port: 3000
thufir@dur:~/ruby$