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CoreOS Linux

CoreOS is designed with security, consistency and reliability in mind. Instead of installing packages via yum or apt, CoreOS uses Docker containers to manage your applications. A single service's code and all dependencies are packaged within a container that can be run on one or many CoreOS machines. CoreOS provides the building blocks for large-scale distributed platforms consisting of many containers. A highly-available and consistent key/value store (etcd) is built in for storing configuration data with consistent changes and distributed locks. etcd is automatically distributed across... Read more


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    Latest Version

    CoreOS


    Operating System

    Linux/Unix, Other 310.1.0


    Delivery Method

    64-bit Amazon Machine Image (AMI) (Read more)



    AWS Services Required

    Amazon EC2, Amazon EBS


    Highlights

    • Docker Containers: Support for docker is built into the OS. No configuration is needed and the kernel is fully compatible. We regularly update docker as new versions are released.
    • Automatic Clustering: Start up a group of machines that join together into a cluster automatically.
    • Cluster Management: Built-in tool, fleet, for running containers across your cluster. Handles machine failure, autoscaling and unscheduled reboots gracefully.

    Product Description

    CoreOS is designed with security, consistency and reliability in mind. Instead of installing packages via yum or apt, CoreOS uses Docker containers to manage your applications. A single service's code and all dependencies are packaged within a container that can be run on one or many CoreOS machines.

    CoreOS provides the building blocks for large-scale distributed platforms consisting of many containers. A highly-available and consistent key/value store (etcd) is built in for storing configuration data with consistent changes and distributed locks. etcd is automatically distributed across all of your CoreOS machines. A distributed init system, fleet, runs containers on your cluster based on defined relationships and restarts them on different machines based on their health. etcd helps you programmatically find containers (as fleet manages them) through service discovery.

    We believe that frequent, reliable updates are critical to good security. By default, CoreOS will download OS updates in the background and utilize the user-defined strategy to apply the update across the cluster. The update process is safe because vital files are always read-only, it has built-in roll-back via an active-passive partition scheme and is fast because the reboot simply switches the active partition without needing to run an upgrade script or process. In a properly distributed world utilizing fleet and etcd, automatic updates wont cause any downtime and will keep you dramatically more secure.

    Product Details

    • Version: CoreOS
    • Available on AWS Marketplace Since: 05/13/2014

    Resources

    Usage Instructions

    CoreOS can be operated as a single machine but more commonly as a cluster of many machines. A Cloud Formation template can be found on the CoreOS on EC2 guide that will orchestrate this process for you. Customizing your CoreOS machines is done through cloud-config, which is submitted through the instance user-data. Your cloud-config should contain a discovery URL, which is used to automatically bring up your group of machines as a cluster. After booting a few machines, you should be ready to submit jobs onto the cluster and have them run on one or many machines. The complete guide for booting EC2 instances can be found at http://coreos.com/docs/running-coreos/cloud-providers/ec2/ ...

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    Support Details

    CoreOS Linux

    https://groups.google.com/forum/#!forum/coreos-user

    Support is provided via IRC in #coreos on Freenode and via email on the CoreOS users list: https://groups.google.com/forum/#!forum/coreos-user . Paid full support is an option.

    AWS Infrastructure

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    Refund Policy

    No refunds are offered.

    End User License Agreement

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    Pricing Information

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    Free Tier Eligible
    EC2 charges for Micro instances are free for up to 750 hours a month if you qualify for the AWS Free Tier.

    Pricing Details

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    Recent Product Reviews

    06/13/2015

    Old version, not usable

    This image is version 310.1.0 which is really old. It is so old that it seems even the updater is unable...

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    02/23/2015

    unstable

    CoresOS is great in theory but we've found it to be a bit unstable in production. Machines running this...

    Read more

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