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johndmulhausen
2016-05-24 16:19:44 -07:00
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@@ -27,6 +27,8 @@ The Kubernetes project was started by Google in 2014. Kubernetes builds upon a [
Looking for reasons why you should be using [containers](http://aucouranton.com/2014/06/13/linux-containers-parallels-lxc-openvz-docker-and-more/)?
![Why Containers?](/images/docs/why_containers.svg)
The *Old Way* to deploy applications was to install the applications on a host using the operating system package manager. This had the disadvantage of entangling the applications' executables, configuration, libraries, and lifecycles with each other and with the host OS. One could build immutable virtual-machine images in order to achieve predictable rollouts and rollbacks, but VMs are heavyweight and non-portable.
The *New Way* is to deploy containers based on operating-system-level virtualization rather than hardware virtualization. These containers are isolated from each other and from the host: they have their own filesystems, they can't see each others' processes, and their computational resource usage can be bounded. They are easier to build than VMs, and because they are decoupled from the underlying infrastructure and from the host filesystem, they are portable across clouds and OS distributions.
@@ -120,4 +122,4 @@ Additionally, Kubernetes is not a mere "orchestration system"; it eliminates the
#### What does *Kubernetes* mean? K8s?
The name **Kubernetes** originates from Greek, meaning "helmsman" or "pilot", and is the root of "governor" and ["cybernetic"](http://www.etymonline.com/index.php?term=cybernetics). **K8s** is an abbreviation derived by replacing the 8 letters "ubernete" with 8.
The name **Kubernetes** originates from Greek, meaning "helmsman" or "pilot", and is the root of "governor" and ["cybernetic"](http://www.etymonline.com/index.php?term=cybernetics). **K8s** is an abbreviation derived by replacing the 8 letters "ubernete" with 8.