Simply running icecream-sundae-snap.icecream-sundae should be sufficent. Without any arguements, the program will try to discover the default scheduler. For help, run icecream-sundae --help
Enable snaps on Debian and install icecream-sundae
Snaps are applications packaged with all their dependencies to run on all popular Linux distributions from a single build. They update automatically and roll back gracefully.
Snaps are discoverable and installable from the Snap Store, an app store with an audience of millions.
Enable snapd
On Debian 9 (Stretch) and newer, snap can be installed directly from the command line: