This topic lists the latest changes to the operating system (OS) images provided by Container Service for Kubernetes (ACK).

Precautions

Only Alibaba Cloud Linux 2 and CentOS 7.X are supported by ACK.Alibaba Cloud Linux 2 is maintained by Alibaba Cloud. Alibaba Cloud provides long-term technical support and patching for security vulnerabilities of Alibaba Cloud Linux 2. Alibaba Cloud Linux 2 is compatible with CentOS 7 and provides more features, improved performance, and higher stability. We recommend that you use Alibaba Cloud Linux 2 as the OS of your ACK clusters. For more information about Alibaba Cloud Linux 2, see Use Alibaba Cloud Linux 2, a container-optimized operating system.

Release notes

April 2021

OS version Kernel version Release date Description
aliyun_2_1903_x64_20G_alibase_20210325.vhd 4.19.91-23.al7.x86_64 2021-04-19 For more information, see Release notes.
centos_7_9_x64_20G_alibase_20210318.vhd 3.10.0-1160.15.2.el7.x86_64 2021-04-19 For more information, see Release notes.

March 2021

OS version Kernel version Release date Description
centos_7_9_x64_20G_alibase_20210128.vhd 3.10.0-1160.11.1.el7.x86_64 2021-03-03 For more information, see Release notes.

January 2021

OS version Kernel version Release date Description
aliyun_2_1903_x64_20G_alibase_20210120.vhd kernel-4.19.91-22.2.al7 2021-01-27 For more information, see Release notes.

December 2020

OS version Kernel version Release date Description
centos_7_8_x64_20G_alibase_20200914.vhd 3.10.0-1127.19.1.el7.x86_64 2020-12-22 For more information, see Release notes.

October 2020

OS version Kernel version Release date Description
aliyun_2_1903_x64_20G_alibase_20200904.vhd 4.19.91-21.al7.x86_64 2020-10-20 For more information, see Release notes.

July 2020

OS version Kernel version Release date Description
aliyun_2_1903_x64_20G_alibase_20200529.vhd 4.19.91-19.1.al7.x86_64 2020-07-06 For more information, see Release notes.
centos_7_7_x64_20G_alibase_20200426.vhd 3.10.0-1062.18.1.el7.x86_64 2020-07-06 For more information, see Release notes.