e/channel.ini ck)ubuntu@localhost:~$ cat  /writable/cache/system/etc/system-image
[service]
base: system-image.ubuntu.com
http_port: 80
https_port: 443
channel: ubuntu-core/15.04/edge
device: generic_armhf
build_number: 130
version_detail: ubuntu=20150723.2,raw-device=20150723.2,version=130
(BeagleBoneBlack)ubuntu@localhost:~$