CoreOS Container Linux is an open-source container operating system designed to support Kubernetes. The CoreOS flavor of container infrastructure management uses the Rocket or Docker container engine, Etcd for service discovery and configuration, Flannel for networking, and Kubernetes for container management. Unique among container operating systems, CoreOS offers a continuous stream of automated updates that, in theory, do not affect running applications. That’s because they run in containers.
Container Linux is all-in on containers and large-scale orchestration. You won’t find a package manager or traditional Linux administration tools. As a result, Container Linux is not as easy to get started with as some of the other container-oriented Linuxes, or as easy to play around and experiment with. It is a decidedly production-oriented system, focused on providing a stable foundation for clusters of container hosts.
Submitted by: Arnfried walbrecht
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