I installed airtime 2.2.1 on debian squeeze. I downloaded the tar.gz, deflated and unpacked and then installed from the "airtime-2.2.1/install_full/debian/" directory. I compared to a working test system and all settings seem to be ok. On my production system i still have some issue and i don't seem to get it worked out. I get a blank screen where i expect the airtime gui. Here is what i see: