Hello.
I installed airtime 2.3.0 on my fedora 18.
airtime-check-system returns good status

AIRTIME_STATUS_URL =
http://localhost:80/api/status/format/json/api_key/%%api_key%%
AIRTIME_SERVER_RESPONDING = OK
KERNEL_VERSION = 3.8.3-201.fc18.x86_64
MACHINE_ARCHITECTURE = x86_64
TOTAL_MEMORY_MBYTES = 1019700
TOTAL_SWAP_MBYTES = 2064380
AIRTIME_VERSION = 2.3.0
OS = "Fedora release 18 (Spherical Cow)" x86_64
CPU = QEMU Virtual CPU version (cpu64-rhel6)
WEB_SERVER = Apache/2.4.3 (Fedora) OpenSSL/1.0.1e-fips
PHP/5.4.12 mod_perl/2.0.7 Perl/v5.16.2
PLAYOUT_ENGINE_PROCESS_ID = 663
PLAYOUT_ENGINE_RUNNING_SECONDS = 62088
PLAYOUT_ENGINE_MEM_PERC = 2.0%
PLAYOUT_ENGINE_CPU_PERC = 0.0%
LIQUIDSOAP_PROCESS_ID = 694
LIQUIDSOAP_RUNNING_SECONDS = 62088
LIQUIDSOAP_MEM_PERC = 2.2%
LIQUIDSOAP_CPU_PERC = 0.0%
MEDIA_MONITOR_PROCESS_ID = 682
MEDIA_MONITOR_RUNNING_SECONDS = 62088
MEDIA_MONITOR_MEM_PERC = 1.6%
MEDIA_MONITOR_CPU_PERC = 0.0%
RABBITMQ_PROCESS_ID = 578
RABBITMQ_RUNNING_SECONDS = 62089
RABBITMQ_MEM_PERC = 2.9%
RABBITMQ_CPU_PERC = 0.0%