Public images provided by Alibaba Cloud are fully licensed to provide a secure and stable operating environment for applications on ECS instances. This topic describes Aliyun Linux images and third-party and open-source images.

Types of public images

The following table describes two types of public images provided by Alibaba Cloud. You can use any public images for free to create ECS instances except for the Windows Server and Red Hat Enterprise Linux images. For more information, see Image overview.
Type Description Technical support
Aliyun Linux images Aliyun Linux images are custom, native operating systems provided by Alibaba Cloud for you to launch ECS instances. Each Aliyun Linux image has been rigorously tested to guarantee its security, stability, and normal startup and operation.

Alibaba Cloud provides technical support if any problem occurs during the use of Aliyun Linux images.

Third-party and open-source images Third-party and open-source images have been rigorously tested and released by Alibaba Cloud to guarantee their security, stability, and normal startup and operation. Such images include:
  • Windows: Windows Server
  • Linux: Ubuntu, CentOS, Red Hat Enterprise Linux, Debian, SUSE Linux, FreeBSD, and CoreOS
We recommend that you contact the corresponding OS vendors or open-source communities for technical support. Alibaba Cloud also provides information about image- and system-related problems.

Aliyun Linux images

Aliyun Linux is a Linux public image independently developed by Alibaba Cloud. The following table describes the versions of Aliyun Linux images.
Operating system Version Description
Aliyun Linux 2 Aliyun Linux 2.1903 64-bit

A next-generation OS that supports various Alibaba Cloud instance types including ECS Bare Metal Instances. Aliyun Linux 2 is also equipped with Alibaba Cloud CLI and other software packages by default.

If you want to replace other Linux distributions with Aliyun Linux 2, you can select Public Image and then Aliyun Linux 2 when creating an ECS instance, or replace the system disk of an existing ECS instance with Aliyun Linux 2.

For more information, see Aliyun Linux 2.

Third-party and open-source images

Alibaba Cloud regularly releases and updates public images of third-party and open-source vendors. For more information, see Release notes. You can view all the available public images on the Public Images page in the corresponding region in the ECS console. For more information, see Search for an image.

The following tables describe versions of third-party and open-source public images for Windows and Linux provided by Alibaba Cloud.
  • Windows images
    Operating system Version
    Windows Server 2019
    • Windows Server 2019 Datacenter Edition 64-bit (Chinese)
    • Windows Server 2019 Datacenter Edition 64-bit (English)
    Windows Server 2016
    • Windows Server 2016 Datacenter Edition 64-bit (Chinese)
    • Windows Server 2016 Datacenter Edition 64-bit (English)
    Windows Server 2012
    • Windows Server 2012 R2 Datacenter Edition 64-bit (Chinese)
    • Windows Server 2012 R2 Datacenter Edition 64-bit (English)
    Windows Server 2008
    • Windows Server 2008 Standard Edition SP2 32-bit (Chinese)
    • Windows Server 2008 R2 Enterprise Edition 64-bit (Chinese)
    • Windows Server 2008 R2 Enterprise Edition 64-bit (English)
    Note If you are using a 32-bit operating system, do not select instance types that have a memory capacity exceeding 4 GiB. For more information, see Select an image.
    Windows Server Version 1903
    • Windows Server Version 1903 Datacenter Edition 64-bit (Chinese)
    • Windows Server Version 1903 Datacenter Edition 64-bit (English)
  • Linux images
    Operating system Version
    CentOS
    • CentOS 7.6 64-bit
    • CentOS 7.5 64-bit
    • CentOS 7.4 64-bit
    • CentOS 7.3 64-bit
    • CentOS 7.2 64-bit
    • CentOS 6.10 64-bit
    • CentOS 6.9 64-bit
    • CentOS 6.8 32-bit
    Note If you are using a 32-bit operating system, do not select instance types that have a memory capacity exceeding 4 GiB. For more information, see Select an image.
    CoreOS
    • CoreOS 2023.4.0 64-bit
    • CoreOS 1745.7.0 64-bit
    Debian
    • Debian 9.9 64-bit
    • Debian 9.8 64-bit
    • Debian 9.6 64-bit
    • Debian 8.11 64-bit
    • Debian 8.9 64-bit
    FreeBSD FreeBSD 11.2 64-bit
    openSUSE openSUSE 42.3 64-bit
    Red Hat
    • Red Hat Enterprise Linux 8 64-bit
    • Red Hat Enterprise Linux 7.6 64-bit
    • Red Hat Enterprise Linux 7.5 64-bit
    • Red Hat Enterprise Linux 7.4 64-bit
    • Red Hat Enterprise Linux 6.10 64-bit
    • Red Hat Enterprise Linux 6.9 64-bit
    SUSE Linux
    • SUSE Linux Enterprise Server 12 SP4 64-bit
    • SUSE Linux Enterprise Server 12 SP2 64-bit
    • SUSE Linux Enterprise Server 11 SP4 64-bit
    Ubuntu
    • Ubuntu 18.04 64-bit
    • Ubuntu 16.04 64-bit
    • Ubuntu 16.04 32-bit
    • Ubuntu 14.04 64-bit
    • Ubuntu 14.04 32-bit
    Note If you are using a 32-bit operating system, do not select instance types that have a memory capacity exceeding 4 GiB. For more information, see Select an image.