More details in text annotation - https://tlhp.cf/ubuntu-snappy-in-action/
Snappy Ubuntu Core is the system for cloud container deployments, bringing transactional/atomar updates using in container platform. General concept – you don’t need an apt-get or other package manager, snappy can manipulate with basic system and application. Installing version a, b, c of software is very easy without dependency hell.
More materials - https://tlhp.cf
Google+ group - https://goo.gl/jTZcDW
Youtube channel
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