# File lib/rubyipmi.rb, line 51
  def self.logger
    # by default the log will be set to info
    unless @logger
      if @log_level and @log_level >= 0
        @logger = Logger.new('/tmp/rubyipmi.log')
        @logger.progname = 'Rubyipmi'
        @logger.level = @log_level
      else
        @logger = NullLogger.new
      end
    end
    @logger
  end