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[atomic-devel] New CentOS Atomic Host Images Available for Download



An updated version of CentOS Atomic Host (version 7.20160224) is now
available for download[1]. 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:

-   kernel-3.10.0-327.10.1.el7.x86_64
-   cloud-init-0.7.5-10.el7.centos.1.x86_64
-   atomic-1.6-6.gitca1e384.el7.x86_64
-   kubernetes-1.2.0-0.6.alpha1.git8632732.el7.x86_64
-   etcd-2.2.2-5.el7.x86_64
-   ostree-2016.1-2.atomic.el7.x86_64
-   docker-1.8.2-10.el7.centos.x86_64
-   flannel-0.5.3-9.el7.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 (421 MB) and
CentOS-Atomic-Host-7-Vagrant-Virtualbox.box (435 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 (742 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 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-e6d5e88c
us-west-2      ami-3fb05d5f
us-west-1      ami-fd62129d
eu-west-1      ami-451ea236
eu-central-1   ami-ce8663a1
ap-southeast-1 ami-6c4c850f
ap-northeast-1 ami-c74644a9
ap-southeast-2 ami-bae8ced9
ap-northeast-2 ami-5732fc39
sa-east-1      ami-059d1f69

SHA Sums

d4e43826fc9f641272e589dfb8d979cd592809b34cdbdaee8b7abc9a09ff30d2
CentOS-Atomic-Host-7.1602-GenericCloud.qcow2
33bd4f732c2857c698bd00bc6db29ae2a4d7d0b768f0353d4e28a5c5ab1c999e
CentOS-Atomic-Host-7.1602-GenericCloud.qcow2.gz
ee9d9b4d78906ea9c33b0b87c8ad3387e997b479626e64ffedfd3f415a84cded
CentOS-Atomic-Host-7.1602-GenericCloud.qcow2.xz
39a548f95022a9ab100d64dbf3579d40c66add1bc56ca938b7dba38b73c2ea87
CentOS-Atomic-Host-7.1602-Installer.iso
2f965b2a502c3839b6be84dee5ee4e60328d9f074e1494ded58b418a309df060
CentOS-Atomic-Host-7.1602-Vagrant-Libvirt.box
bc976d197cac629fd68a6d8faf6bcfaeca8afd0020bf573ef343622a7ae1581b
CentOS-Atomic-Host-7.1602-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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