bin/instrument_server in instrumental_tools-0.5.2 vs bin/instrument_server in instrumental_tools-0.5.3

@@ -10,10 +10,11 @@
 end
 require 'instrumental_agent'
 require 'pidly'
 require 'tmpdir'
 require 'optparse'
+require 'socket'
 
 class SystemInspector
   TYPES = [:gauges, :incrementors]
   attr_accessor *TYPES
 
@@ -380,10 +381,10 @@
 
 options = {
   :daemon => false,
   :collector => 'instrumentalapp.com',
   :port => '8000',
-  :hostname => `hostname`.chomp,
+  :hostname => Socket.gethostname,
 }
 
 option_parser = OptionParser.new do |opts|
   opts.banner = "Usage: instrument_server -k API_KEY [options] [-d #{ServerController::COMMANDS.join('|')}]"
   opts.on('-k', '--api_key API_KEY', 'API key of your project') do |api_key|