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Re:Announcing Ubuntu Core, with snappy transactional updates by jpalmer on Tuesday December 09, 2014 @03:37PM (#8725544)
Looks a lot like Red Hat's Project Atomic (http://www.projectatomic.io/)

"An Atomic Host is a lean operating system designed to run Docker containers, built from upstream CentOS, Fedora, or Red Hat Enterprise Linux RPMs. It provides all the benefits of the upstream distribution, plus the ability to perform atomic upgrades and rollbacks"

Re:Announcing Ubuntu Core, with snappy transactional updates by socceroos on Tuesday December 09, 2014 @10:42PM (#8727558)
Just returned to suggest the same thing. Perhaps the difference being that Ubuntu Core doesn't seem to be built exclusively for Docker, but rather to work with it and it's competitors.
Re:Announcing Ubuntu Core, with snappy transactional updates by jmnicolas on Wednesday December 10, 2014 @02:32AM (#8728099)
Atomic is mentioned several times in the article.