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CoreOS Linux Rebranded as Container Linux, as Kubernetes Goes Self-Service

By Sean Michael Kerner (Send Email)
Posted December 13, 2016


CoreOS is coming full circle, bringing established capabilities to its Tectonic platform, which provides a commercially supported distribution of the open-source Kubernetes container management system.

The CoreOS Linux operating system was originally developed as a purpose-built CoreOS TectonicLinux distribution optimized to run containers. In June 2014, CoreOS announced its Managed Linux offering as a way to bring an auto-updating managed operating system to users.

CoreOS first launched its Tectonic platform in 2015 as a commercially supported Kubernetes system. Now in December 2016, CoreOS is bringing ideas it has already proven in Managed Linux to Tectonic. Additionally, CoreOS Linux is now being rebranded as "Container Linux."

CoreOS is calling its managed, auto-updating feature "self-driving," which is different than the "self-hosted" feature that the Tectonic 1.4 update provided users with in its November release.

"Self-driving is automation that we add to Tectonic to make Kubernetes easier to manage, including the automation of updates." Brandon Philip, CTO of CoreOS, told ServerWatch.

Self-Driving and Self-Hosted in Tectonic for Kubernetes

Philips said that in order to enable the automation of updates, CoreOS has been investing in architecture work inside of Kubernetes to enable the management of Kubernetes components using the Kubernetes API. That is what CoreOS calls "self-hosted Kubernetes."

"You can think of 'self-driving' as the experience and 'self-hosted' as the underlying infrastructure that enables that experience," Philips explained.

CoreOS is now also making Tectonic freely available for users running only 10 nodes or less. Philips noted that his company delivers pure upstream Kubernetes in CoreOS Tectonic and provides a capability to automatically upgrade the software in production. CoreOS has contributed work upstream to enable this function to happen.

"With Tectonic we build additional functionality and components around this pure upstream Kubernetes," Philips said. "This includes components like Tectonic Installer, Tectonic Identity, Tectonic Console, and built-in component monitoring."

"Overall, this whole Tectonic system combines both open source and proprietary components and is part of the value provided to users of the Tectonic 10 Nodes free tier," he said.

Sean Michael Kerner is a senior editor at ServerWatch and InternetNews.com. Follow him on Twitter @TechJournalist

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