CoreOS Launches First Stable Release of Its Web-Scale Operating System

Release includes Docker, support by major cloud providers, commercial support.

Jason Verge

July 28, 2014

2 Min Read
CoreOS Launches First Stable Release of Its Web-Scale Operating System
The CoreOS bus and crew at GopherCon, a conference for developers who use Go, the language etcd was written in. (Photo: CoreOS)

CoreOS announced its first stable release late last week on SysAdmin day. It means that a tested, secure and reliable version of its operating system for web-scale data center infrastructure is now available for users who want to run production workloads on it.

CoreOS is a startup with a Linux OS distribution that can update simultaneously across massive server deployments. The lightweight OS automatically updates and patches lots of servers at once, enabling highly resilient massive-scale infrastructure. It helps improve security and makes it easier for companies to build compute clusters that can withstand single-note outages.

 CoreOS has already been tested by a lot of companies, but this is the first full production-ready version. The company has been supporting customers prior to this release, but the stable version puts it in a better position to scale adoption. The stable release does not include etcd and fleet as stable, however. It is only targeted at the base OS and Docker 1.0. Stable support for etcd and fleet (cluster management tools) will be included in subsequent releases, the company said.

CoreOS 367.1.0, the first stable version, includes:

  •  Linux 3.15.2

  • Docker 1.0.1

  • Support on all major cloud providers, including Rackspace Cloud, Amazon EC2 (including HVM) and Google Compute Engine

  • Commercial support via CoreOS Managed Linux

The startup recently raised $8 million, and has been backed in the past by venture capital firms Andreessen Horowitz and Sequoia Capital.

Highlights since the first alpha release in August 2013:

  •  191 releases have been tagged

  • Tested on hundreds of thousands of servers on the alpha and beta channels

  • Supported on more than 10 platforms, ranging from bare metal to primary images on Rackspace and Google clouds

“This is a huge milestone for us,” wrote CoreOS founder and CEO Alex Polvi. “It is a big day for us here at CoreOS, as we have been working hard to deliver the stable release.”

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