Red Hat Enterprise Linux Atomic Host: Updates Made Easy

Earlier in March we announced the general availability of Red Hat Enterprise Linux 7 Atomic Host, a small footprint, container host based on Red Hat Enterprise Linux 7. It provides a stable host platform, optimized for running application containers, and brings a number of application software packaging and deployment benefits to customers. In my previous container blog I gave the top seven reasons to deploy Red Hat Enterprise Linux 7 Atomic Host. One reason was the ability to do atomic updates and rollbacks. In this blog I provide an in-depth look into atomic updating and how it differs from a yum update. And, speaking of atomic updates

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Welcome to the World, Red Hat Enterprise Linux Atomic Host

Today marks an exciting milestone for Red Hat as we share news of the general availability of Red Hat Enterprise Linux 7 Atomic Host, an operating system optimized for running the next generation of applications with Linux containers.

Based on the world’s leading enterprise Linux platform, Red Hat Enterprise Linux Atomic Host enables enterprises to embrace a Red Hat Enterprise Linux Atomic Hostcontainer-based architecture to take advantage of the benefits of development and deployment flexibility and simplified maintenance, without sacrificing performance, stability, security, or the value of Red Hat’s vast certified ecosystem.

An application architecture based on Linux containers requires not only the tools to build and run containers, but also an underlying foundation that is secure, reliable, enterprise-grade, with an established lifecycle designed to meet the ongoing requirements of the enterprise over the long term. The release of Red Hat Enterprise Linux Atomic Host supports Red Hat’s commitment to make Linux containers a stable and reliable component of enterprise IT across the open hybrid cloud.

Red Hat Enterprise Linux 7 Atomic Host provides many benefits, including

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How Red Hat Enterprise Linux Atomic Host Powers OpenShift Online

The OpenShift Online Technical Operations team was looking forward to the beta availability of Red Hat Enterprise Linux Atomic Host. In fact, they participated in early sprints as part of the Atomic Special Interest Group (SIG) to help make sure Red Hat Enterprise Linux Atomic Host had the operational “beef” to stand high alongside Red Hat’s other enterprise products. Part of this process led to us running the unreleased bits in OpenShift Online prior to the beta announcement.

That said, we’re not using it to run some corner niche of our infrastructure. Instead, we are using the Red Hat Enterprise Linux Atomic Host + Docker combo to run our reverse proxy tier. This means that every API, www.openshift.com, and web console request made to OpenShift Online runs through this tier.

So why all the interest? The small size of Red Hat Enterprise Linux Atomic Host is the

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Red Hat Enterprise Linux 7 Atomic Host Beta: Tell Us What You Think

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It’s been one week since we announced the beta for Red Hat Enterprise Linux 7 Atomic Host and we’re looking for your feedback. If you’ve downloaded and installed the beta, this is your chance to tell us what you think, and what you’d like to see in the product moving forward.

TechValidate is conducting a short, 5-minute survey on behalf of Red Hat. Why should you participate?

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Red Hat’s Mark Coggin on Atomic Host & Containers

At Red Hat Forum in Singapore, Mark Coggin, senior director, product marketing, platform, Red Hat Inc., presented an overview of Red Hat Enterprise Linux 7 Atomic Host & Containers.  Watch the video to see Mark as he talks about containers, how they deliver controlled runtime environments and portability with application environments. He also provides an overview of Red Hat Enterprise Linux Atomic Host, a lean operating system designed to run docker-formatted containers.

Containerize Red Hat Enterprise Linux 6 Applications to Run on Red Hat Enterprise Linux 7

What if you could run your existing Red Hat Enterprise Linux 6 applications on Red Hat Enterprise Linux 7 without porting or making changes to your source code? Today, we are pleased to announce the immediate availability of the Red Hat Enterprise Linux 6 platform image, which allows for the creation of Red Hat Enterprise Linux 6-based application containers. Applications that have been developed, tested, and certified for Red Hat Enterprise Linux 6 systems can now be deployed as a container and run on Red Hat Enterprise Linux 7 as a container host.

rhel-6-platform-imageThis new platform image allows customers to

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Red Hat Enterprise Linux 7 Release Candidate & Red Hat Enterprise Linux Atomic Host

For those not attending Red Hat Summit 2014 or not tracking the latest news and updates (available on the official Red Hat Summit Blog), you may have missed two important and exciting announcements, namely:

  • A Red Hat Enterprise Linux 7 Release Candidate (RC) will be made publicly available (starting next week).  As a pre-release build of Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 7 RC offers a near-final look at the only operating system crafted for the open hybrid cloud, building upon the feedback collected during the beta program for Red Hat Enterprise Linux 7.
  • Also, Red Hat plans to introduce Red Hat Enterprise Linux Atomic Host as a new addition to the Red Hat Enterprise Linux family.  Red Hat Enterprise Linux Atomic Host couples the flexible, lightweight and modular capabilities of Linux Containers with the reliability and security of Red Hat Enterprise Linux in a reduced image size that will enable easy movement of Red Hat Enterprise Linux-certified applications across bare metal systems, virtual machines and private and public clouds.

For more information on either the Red Hat Enterprise Linux 7 RC or our plans for Red Hat Enterprise Linux Atomic Host – I encourage you to visit: press.redhat.com

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