(ODROIDC)ubuntu@odroid:~$ sudo snappy install webdm
Installing webdm
Starting download of webdm
6.16 MB / 6.16 MB [======================================] 100.00 % 241.24 KB/s 
Done
operation not supported
webdm failed to install: unpack /tmp/webdm776899902 to /apps/webdm/0.8 failed with exit status 1