This topic provides the release notes for the OS images supported by Container Service
for Kubernetes (ACK).
Usage notes
ACK supports the Alibaba Cloud Linux 2, Alibaba Cloud Linux 3, CentOS 7.X, and ContainerOS
operating systems. Alibaba Cloud Linux 2 is maintained by Alibaba Cloud. Alibaba Cloud
provides long-term technical support and patching for vulnerabilities related to 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 install
Alibaba Cloud Linux 2 on the nodes of your ACK cluster. For more information about
Alibaba Cloud Linux 2, see Use Alibaba Cloud Linux 2.
When you install Alibaba Cloud Linux 3, make sure that the following components are
installed and the version of your cluster meets the following requirement.
| Component or cluster |
Minimum version |
| Cluster |
1.20.4 |
| ACK NodeLocal DNSCache |
1.5.0 |
| Flannel |
v0.13.0.1-466064b-aliyun |
| Terway |
v1.0.10.390-g5f3c461-aliyun |
Release notes
December 2021
| OS |
OS version |
Kernel version |
Release date |
Description |
| Alibaba Cloud Linux 3.2104 |
aliyun_3_x64_20G_alibase_20210425.vhd |
5.10.23-5.al8.x86_64 |
2021-12-20 |
For more information, see Release notes for Alibaba Cloud Linux 3.
|
November 2021
| OS |
OS version |
Kernel version |
Release date |
Description |
| ContainerOS 1.20.11 |
lifsea_3_x64_10G_k8s_1_20_11_alibase_20211103.vhd |
5.10.23-5.8.lifsea8.x86_64 |
2021-11-06 |
Key component versions:
- Kubelet : 1.20.11
- Containerd: 1.4.8
|
October 2021
| OS |
OS version |
Kernel version |
Release date |
Description |
| ContainerOS 1.20.4 |
lifsea_3_x64_10G_k8s_1_20_4_alibase_20210917.vhd |
5.10.23-5.8.lifsea8.x86_64 |
2021-10-15 |
- The ContainerOS base image is released.
- Key component versions:
- kubelet: 1.20.4
- containerd: 1.4.8
- Kernel description:
- The image is based on the 5.10 kernel version of the Alibaba Cloud Linux 3.2104 64-bit
image. The 5.10.23-5.8.lifsea8.x86_64 kernel version is used by the base image.
- initramfs is removed to accelerate startup.
- Some required kernel modules are compiled as built-in modules.
Note The ContainerOS image is supported by all instance families, except Elastic Compute
Service (ECS) bare metal instances and heterogeneous computing instances.
|
August 2021
| OS version |
Kernel version |
Release date |
Description |
| aliyun_2_1903_x64_20G_alibase_20210726.vhd |
4.19.91-24.1.al7.x86_64 |
2021-08-20 |
For more information, see 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.
|