[CentOS-devel] New CentOS Atomic Host release available for download

[Jason Brooks]

An updated version of CentOS Atomic Host (tree version 7.20160707) is
now available for download[1], featuring updated versions of docker
(1.10.3) and the atomic run tool (1.10.5). CentOS Atomic Host is a lean
operating system designed to run Docker containers, built from standard
CentOS 7 RPMs, and tracking the component versions included in Red Hat
Enterprise Linux Atomic Host.

[1] https://wiki.centos.org/SpecialInterestGroup/Atomic/Download

CentOS Atomic Host is available as a VirtualBox or libvirt-formatted
Vagrant box, or as an installable ISO, qcow2 or Amazon Machine image.
These images are available for download at cloud.centos.org. The backing
ostree repo is published to mirror.centos.org.

CentOS Atomic Host includes these core component versions:

-   docker-1.10.3-44.el7.centos.x86_64
-   kubernetes-1.2.0-0.12.gita4463d9.el7.x86_64
-   kernel-3.10.0-327.22.2.el7.x86_64
-   atomic-1.10.5-5.el7.x86_64
-   flannel-0.5.3-9.el7.x86_64
-   ostree-2016.5-3.atomic.el7.x86_64
-   etcd-2.2.5-2.el7.0.1.x86_64
-   cloud-init-0.7.5-10.el7.centos.1.x86_64


Upgrading

If you're running a previous version of CentOS Atomic Host, you can
upgrade to the current image by running the following command:

$ sudo atomic host upgrade


Images

Vagrant

CentOS-Atomic-Host-7-Vagrant-Libvirt.box (467 MB) and
CentOS-Atomic-Host-7-Vagrant-Virtualbox.box (477 MB) are Vagrant boxes
for Libvirt and Virtualbox providers.

The easiest way to consume these images is via the Atlas / Vagrant Cloud
setup (see https://atlas.hashicorp.com/centos/boxes/atomic-host). For
example, getting the VirtualBox instance up would involve running the
following two commands on a machine with vagrant installed:

$ vagrant init centos/atomic-host && vagrant up --provider virtualbox

ISO

The installer ISO (751 MB) can be used via regular install methods (PXE,
CD, USB image, etc.) and uses the Anaconda installer to deliver the
CentOS Atomic Host. This image allows users to control the install using
kickstarts and to define custom storage, networking and user accounts.
This is the recommended option for getting CentOS Atomic Host onto bare
metal machines, or for generating your own image sets for custom
environments.

QCOW2

The CentOS-Atomic-Host-7-GenericCloud.qcow2 (1.1 GB) image is suitable
for use in on-premise and local virtualized environments. We test this
on OpenStack, AWS and local Libvirt installs. If your virtualization
platform does not provide its own cloud-init metadata source, you can
create your own NoCloud iso image.

Amazon Machine Images

Region         Image ID

us-east-1      ami-956fe882
us-west-2      ami-17569677
us-west-1      ami-191e5879
eu-west-1      ami-a06601d3
eu-central-1   ami-c431dbab
ap-southeast-1 ami-9638e5f5
ap-northeast-1 ami-fc867b9d
ap-southeast-2 ami-6fab800c
ap-northeast-2 ami-aca369c2
sa-east-1      ami-30f96d5c

SHA Sums

0eb6fe98706c72635d2f156d3f9cbc4447db3234dafd792ed2b966a562695dcf
CentOS-Atomic-Host-7.1606-GenericCloud.qcow2
3af5dba377f31f52817820f8b940d0490da11d74d01edd70182171f21382fc65
CentOS-Atomic-Host-7.1606-GenericCloud.qcow2.gz
d28b3f21de85c6c072e277bf873d1657364f6b82f08c91b05ed001ceadb07b79
CentOS-Atomic-Host-7.1606-GenericCloud.qcow2.xz
ee98acb5a50288e03dc052d4ae5cf0ccbab518f2f15f35500217c90d8088d627
CentOS-Atomic-Host-7.1606-Installer.iso
43ca397be511a32b3c750a73474039f965d6cc5c7dcfb74846e66366f5d758db
CentOS-Atomic-Host-7.1606-Vagrant-Libvirt.box
d458714f89b1ee3d4e4b7b097877cec9ceec5e651fec9374b4457e5a6c172f3d
CentOS-Atomic-Host-7.1606-Vagrant-Virtualbox.box


Release Cycle

The CentOS Atomic Host image follows the upstream Red Hat Enterprise
Linux Atomic Host cadence. After sources are released, they're rebuilt
and included in new images. After the images are tested by the SIG and
deemed ready, we announce them.


Getting Involved

CentOS Atomic Host is produced by the CentOS Atomic SIG, based on
upstream work from Project Atomic. If you'd like to work on testing
images, help with packaging, documentation -- join us!

The SIG meets weekly on Thursdays at 16:00 UTC in the #centos-devel
channel, and you'll often find us in #atomic and/or #centos-devel if you
have questions. You can also join the atomic-devel mailing list if you'd
like to discuss the direction of Project Atomic, its components, or have
other questions.


Getting Help

If you run into any problems with the images or components, feel free to
ask on the centos-devel mailing list.

Have questions about using Atomic? See the atomic mailing list or find
us in the #atomic channel on Freenode.
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