davmor2@davmor2-XPS-13-9343:~⟫ sudo snap install ubuntu-clock-app
[/] Download snap "ubuntu-clock-app" from channel "stable"
error: cannot perform the following tasks:
- Download snap "ubuntu-clock-app" from channel "stable" (snap not found)
1 davmor2@davmor2-XPS-13-9343:~⟫ snap find
Name                Version                  Summary
canonical-dragon    0.7.1                    The gadget snap for the dragonboard
canonical-i386      3.1                      The gadget snap for generic i386 systems
canonical-pc        3.1                      AMD64 generic package
canonical-pc-linux  4.4.0-18+20160419.13-26  The ubuntu-core kernel snap
canonical-pi2       3.2                      Raspberry Pi 2 support package
hello-world         6.0                      Hello world example
links               2.12-1                   Web browser running in text mode
moon-buggy          1.0.51.9                 Drive a car across the moon
nmap                7.12SVN-0.4              Nmap ("Network Mapper") is a free and open source utility for network discovery and security auditing
ubuntu-core         16.04+20160419.20-55     The ubuntu-core OS snap
webdm               0.16.2                   # Snappyd
xkcd-webserver      16.04-5                  Show random XKCD compic via a build-in webserver
davmor2@davmor2-XPS-13-9343:~⟫