class Utils::ProbeServer

def run_job(job)
  output_message "#{job.inspect} about to run now.", :type => :info
  @pid = fork { exec(*cmd(job.args)) }
  output_message "#{job.inspect} now running with pid #@pid.", :type => :info
  Process.wait @pid
  message = "#{job.inspect} was just run"
  if $?.success?
    job.ok = true
    message << " successfully."
    output_message message, :type => :success
  else
    job.ok = false
    message << " and failed with exit status #{$?.exitstatus}!"
    output_message message, :type => :failure
  end
  @history += [ @job.freeze ]
  @history.freeze
  @job = nil
end