Errors were detected in your configuration.

• RRDs directory '/var/lib/ganglia/rrds' is not readable.
  Please adjust $conf['rrds'].
• DWOO compiled templates directory '/var/lib/ganglia/dwoo/compiled' is not writeable.
  Please adjust $conf['dwoo_compiled_dir'].
• DWOO cache directory '/var/lib/ganglia/dwoo/cache' is not writeable.
  Please adjust $conf['dwoo_cache_dir'].