Traceback (most recent call last):
  File "/usr/sbin/wifi-radar", line 3354, in <module>
    fileLogHandler = logging.handlers.RotatingFileHandler(confFile.get_opt('DEFAULT.logfile'), maxBytes=64*1024, backupCount=5)
  File "/usr/lib/python2.6/logging/handlers.py", line 107, in __init__
    BaseRotatingHandler.__init__(self, filename, mode, encoding, delay)
  File "/usr/lib/python2.6/logging/handlers.py", line 59, in __init__
    logging.FileHandler.__init__(self, filename, mode, encoding, delay)
  File "/usr/lib/python2.6/logging/__init__.py", line 801, in __init__
    StreamHandler.__init__(self, self._open())
  File "/usr/lib/python2.6/logging/__init__.py", line 820, in _open
    stream = open(self.baseFilename, self.mode)
IOError: [Errno 13] Permission denied: '/var/log/wifi-radar.log'