(BeagleBoneBlack)ubuntu@localhost:~$ cat /etc/system-image/channel.ini 
[service]
base: system-image.ubuntu.com
http_port: 80
https_port: 443
channel: ubuntu-core/15.04/edge
device: generic_armhf
build_number: 129
version_detail: ubuntu=20150723.1,raw-device=20150723.1,version=129
(BeagleBoneBlack)ubuntu@localhost:~$