The simplest way to obtain a virtual machine image that works with
OpenStack is to download one that someone else has already
created. Most of the images contain the
cloud-init package to
support the SSH key pair and user data injection.
Because many of the images disable SSH password authentication
by default, boot the image with an injected key pair.
SSH into the instance with the private key and default
login account. See Configure access and security for instances
for more information on how to create and inject key pairs with OpenStack.
The CentOS project maintains official images for direct download.
In a CentOS cloud image, the login account is
CirrOS is a minimal Linux distribution that was designed for use as a test image on clouds such as OpenStack Compute. You can download a CirrOS image in various formats from the CirrOS download page.
If your deployment uses QEMU or KVM, we recommend using the images in qcow2 format. The most recent 64-bit qcow2 image as of this writing is cirros-0.5.1-x86_64-disk.img.
In a CirrOS image, the login account is
The password is
gocubsgo. Since the fixed PW allows anyone to
login, you should not run this image with a public IP attached.
Debian provides images for direct download. They are made at the same time as the CD and DVD images of Debian. Therefore, images are available on each point release of Debian. Also, weekly images of the testing distribution are available.
In a Debian image, the login account is
The Fedora project maintains a list of official cloud images at Fedora download page.
In a Fedora cloud image, the login account is
Cloudbase Solutions provides the last available trial version of Windows Server 2012 R2. This image includes cloudbase-init plus VirtIO drivers on KVM. You can build your own image based on Windows Server 2016, 2019, Windows 10 etc) with Cloudbase Imaging Tools.
Fedora Virtio provides also Windows images.
Canonical maintains an official set of Ubuntu-based images.
Images are arranged by Ubuntu release, and by image release date,
current being the most recent.
For example, the page that contains the most recently built image for
Ubuntu 18.04 Bionic Beaver is Ubuntu 18.04 LTS (Bionic Beaver) Daily Build.
Scroll to the bottom of the page for links to the images that can be
If your deployment uses QEMU or KVM, we recommend using the images
in qcow2 format, with name ending in
The most recent version of the 64-bit amd64-arch QCOW2 image for
Ubuntu 18.04 is
In an Ubuntu cloud image, the login account is
openSUSE and SUSE Linux Enterprise Server¶
The openSUSE community provides images for openSUSE.
SUSE maintains official SUSE Linux Enterprise Server cloud images.
Go to the SUSE Linux Enterprise Server download page, select the
AMD64 / Intel 64
architecture and search for
In an openSUSE cloud image, the login account is
Red Hat Enterprise Linux¶
Red Hat maintains official Red Hat Enterprise Linux cloud images. A valid Red Hat Enterprise Linux subscription is required to download these images.
In a RHEL cloud image, the login account is
FreeBSD, OpenBSD, and NetBSD¶
Unofficial images for BSD are available on BSD-Cloud-Image.org.
The login accounts are
freebsd for FreeBSD,
openbsd for OpenBSD,
netbsd for NetBSD.
Arch Linux provides a cloud image for download. More details can be found on the arch-boxes project page.
In a Arch Linux image, the login account is