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Container Service for Kubernetes:Release notes for OS images

Last Updated:Oct 19, 2023

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 technical support and patching for security 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 in your ACK cluster. For more information, see Release notes for 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.

Cluster/component

Minimal version

Clusters

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

August 2023

OS

OS version

Kernel version

Release date

Description

Alibaba Cloud Linux 2.1903

aliyun_2_1903_x64_20G_alibase_20230704.vhd

4.19.91-27.4.al7.x86_64

2023-08-01

For more information, see Release notes for Alibaba Cloud Linux 2.

July 2023

OS

OS version

Kernel version

Release date

Description

ContainerOS 1.26.3

lifsea_3_x64_10G_k8s_1_26_3_alibase_20230717.vhd

5.10.134-12.2.1.lifsea8.x86_64

2023-07-21

Key component versions:

  • kubelet 1.26.3

  • Containerd 1.6.20

ContainerOS 1.24.6

lifsea_3_x64_10G_k8s_1_24_6_alibase_20230717.vhd

5.10.134-12.2.1.lifsea8.x86_64

2023-07-21

Key component versions:

  • Kubelet 1.24.6

  • Containerd 1.6.20

ContainerOS 1.22.15

lifsea_3_x64_10G_k8s_1_22_15_alibase_20230717.vhd

5.10.134-12.2.1.lifsea8.x86_64

2023-07-21

Key component versions:

  • Kubelet 1.22.15

  • Containerd 1.5.13

Alibaba Cloud Linux 3.2104 ARM Edition

aliyun_3_arm64_20G_alibase_20230515.vhd

5.10.134-14.al8.aarch64

2023-07-03

For more information, see Release notes for Alibaba Cloud Linux 3.

June 2023

OS

OS version

Kernel version

Release date

Description

ContainerOS 1.26.3

lifsea_3_x64_10G_k8s_1_26_3_alibase_20230619.vhd

5.10.134-12.2.1.lifsea8.x86_64

2023-06-28

Key component versions:

  • kubelet 1.26.3

  • Containerd 1.6.20

Alibaba Cloud Linux 2.1903

aliyun_2_1903_x64_20G_alibase_20230522.vhd

4.19.91-27.3.al7.x86_64

2023-06-28

For more information, see Release notes for Alibaba Cloud Linux 2.

May 2023

OS

OS version

Kernel version

Release date

Description

ContainerOS 1.24.6

lifsea_3_x64_10G_k8s_1_24_6_alibase_20230513.vhd

5.10.134-12.2.1.lifsea8.x86_64

2023-05-19

Key component versions:

  • Kubelet 1.24.6

  • Containerd 1.5.13

Alibaba Cloud Linux 3.2104 ARM Edition

aliyun_3_arm64_20G_alibase_20230327.vhd

5.10.134-13.1.al8.aarch64

2023-05-08

For more information, see Release notes for Alibaba Cloud Linux 3.

April 2023

OS

OS version

Kernel version

Release date

Description

Alibaba Cloud Linux 2.1903

aliyun_2_1903_x64_20G_alibase_20230308.vhd

4.19.91-27.1.al7.x86_64

2023-04-27

For more information, see Release notes for Alibaba Cloud Linux 2.

ContainerOS 1.24.6

lifsea_3_x64_10G_k8s_1_24_6_alibase_20230420_148.vhd

5.10.134-12.2.1.lifsea8.x86_64

2023-04-25

Key component versions:

  • Kubelet 1.24.6

  • Containerd 1.5.13

Alibaba Cloud Linux 3.2104

aliyun_3_x64_20G_alibase_20230327.vhd

5.10.134-13.1.al8.x86_64

2023-04-24

For more information, see Release notes for Alibaba Cloud Linux 3.

February 2023

OS

OS version

Kernel version

Release date

Description

Alibaba Cloud Linux 3.2104

aliyun_3_x64_20G_alibase_20230110.vhd

5.10.134-13.al8.x86_64

2023-02-20

For more information, see Release notes for Alibaba Cloud Linux 3.

ContainerOS 1.24.6

lifsea_3_x64_10G_k8s_1_24_6_alibase_20230117.vhd

5.10.112-11.1.lifsea8.x86_64

2023-02-03

Key component versions:

  • Kubelet 1.24.6

  • Containerd 1.5.13

January 2023

OS

OS version

Kernel version

Release date

Description

CentOS 7.9

centos_7_9_x64_20G_alibase_20221129.vhd

3.10.0-1160.80.1.el7.x86_64

2023-01-10

For more information, see Release notes for public images.

Alibaba Cloud Linux 3.2104 ARM Edition

aliyun_3_arm64_20G_alibase_20221118.vhd

5.10.134-12.2.al8.x86_64

2023-01-10

For more information, see Release notes for Alibaba Cloud Linux 3.

December 2022

OS

OS version

Kernel version

Release date

Description

Alibaba Cloud Linux 3.2104

aliyun_3_x64_20G_alibase_20221102.vhd

5.10.134-12.2.al8.x86_64

2022-12-14

For more information, see Release notes for Alibaba Cloud Linux 3.

Alibaba Cloud Linux 2.1903

aliyun_2_1903_x64_20G_alibase_20221102.vhd

4.19.91-26.6.al7.x86_64

2022-12-14

For more information, see Release notes for Alibaba Cloud Linux 2.

November 2022

OS

OS version

Kernel version

Release date

Description

ContainerOS 1.24.6

lifsea_3_x64_10G_k8s_1_24_6_alibase_20221101.vhd

5.10.134-12.2.al8.x86_64

2022-11-16

Key component versions:

  • Kubelet 1.24.6

  • Containerd 1.5.13

ContainerOS 1.22.15

lifsea_3_x64_10G_k8s_1_22_15_alibase_20221101.vhd

5.10.134-12.2.al8.x86_64

2022-11-16

Key component versions:

  • Kubelet 1.22.15

  • Containerd 1.5.13

September 2022

OS

OS version

Kernel version

Release date

Description

Alibaba Cloud Linux 3.2104

aliyun_3_x64_20G_alibase_20220815.vhd

5.10.112-11.2.al8.x86_64

2022-09-20

For more information, see Release notes for Alibaba Cloud Linux 3.

CentOS 7.9

centos_7_9_x64_20G_alibase_20220824.vhd

3.10.0-1160.76.1.el7.x86_64

2022-09-19

For more information, see Release notes for public images.

Alibaba Cloud Linux 2.1903

aliyun_2_1903_x64_20G_alibase_20220815.vhd

4.19.91-26.1.al7.x86_64

2022-09-19

For more information, see Release notes for Alibaba Cloud Linux 2.

August 2022

OS

OS version

Kernel version

Release date

Description

Alibaba Cloud Linux 2.1903

aliyun_2_1903_x64_20G_alibase_20220727.vhd

4.19.91-26.al7.x86_64

2022-08-31

For more information, see Release notes for Alibaba Cloud Linux 2.

Alibaba Cloud Linux 3.2104

aliyun_3_x64_20G_alibase_20220728.vhd

5.10.112-11.1.al8.x86_64

2022-08-31

For more information, see Release notes for Alibaba Cloud Linux 3.

CentOS 7.9

centos_7_9_x64_20G_alibase_20220727.vhd

3.10.0-1160.71.1.el7.x86_64

2022-08-31

For more information, see Release notes for public images.

ContainerOS 1.24.3

lifsea_3_x64_10G_k8s_1_24_3_alibase_20220809.vhd

5.10.112-11.1.al8.x86_64

2022-08-19

Key component versions:

  • Kubelet 1.24.3

  • Containerd 1.5.10

Alibaba Cloud Linux 2.1903

aliyun_2_1903_x64_20G_alibase_20220701.vhd

4.19.91-26.al7.x86_64

2022-08-03

For more information, see Release notes for Alibaba Cloud Linux 2.

Alibaba Cloud Linux UEFI 2.1903 Security Enhanced

aliyun_2_1903_x64_20G_uefi_alibase_20220525.vhd

4.19.91-26.al7

2022-08-03

For more information, see Release notes for Alibaba Cloud Linux 2.

July 2022

OS

OS version

Kernel version

Release date

Description

ContainerOS 1.22.10

lifsea_3_x64_10G_k8s_1_22_10_alibase_20220705.vhd

5.10.112-11.al8.x86_64

2022-07-22

Key component versions:

  • Kubelet 1.22.10

  • Containerd 1.5.10

CentOS 7.9

centos_7_9_x64_20G_alibase_20220524.vhd

3.10.0-1160.66.1.el7.x86_64

2022-07-20

For more information, see Release notes for public images.

June 2022

OS

OS version

Kernel version

Release date

Description

Alibaba Cloud Linux 3.2104

aliyun_3_x64_20G_alibase_20220527.vhd

5.10.112-11.al8.x86_64

2022-06-24

For more information, see Release notes for Alibaba Cloud Linux 3.

Alibaba Cloud Linux 2.1903

aliyun_2_1903_x64_20G_alibase_20220525.vhd

4.19.91-26.al7

2022-06-17

For more information, see Release notes for Alibaba Cloud Linux 2.

ContainerOS 1.20.4

lifsea_3_x64_10G_k8s_1_20_4_alibase_20220530.vhd

5.10.112-11.1.lifsea8.x86_64

2022-06-17

  • Key component versions:

    • Kubelet 1.20.4

    • Containerd 1.15.10

  • Kernel version:

    5.10.112-11.1.lifsea8.x86_64

ContainerOS 1.20.11

lifsea_3_x64_10G_k8s_1_20_11_alibase_20220530.vhd

5.10.112-11.1.lifsea8.x86_64

2022-06-17

  • Key component versions:

    • Kubelet 1.20.11

    • Containerd 1.15.10

  • Kernel version:

    5.10.112-11.1.lifsea8.x86_64

ContainerOS 1.22.3

lifsea_3_x64_10G_k8s_1_22_3_alibase_20220530.vhd

5.10.112-11.1.lifsea8.x86_64

2022-06-17

  • Key component versions:

    • Kubelet 1.22.3

    • Containerd 1.15.10

  • Kernel version:

    5.10.112-11.1.lifsea8.x86_64

March 2022

OS

OS version

Kernel version

Release date

Description

Alibaba Cloud Linux 2.1903

aliyun_2_1903_x64_20G_alibase_20220225.vhd

4.19.91-25.6.al7.x86_64

2022-03-14

For more information, see Release notes for Alibaba Cloud Linux 2.

Alibaba Cloud Linux 3.2104

aliyun_3_x64_20G_alibase_20220225.vhd

5.10.84-10.2.al8.x86_64

2022-03-14

For more information, see Release notes for Alibaba Cloud Linux 3.

CentOS 7.9

centos_7_9_x64_20G_alibase_20220208.vhd

3.10.0-1160.53.1.el7.x86_64

2022-03-14

For more information, see Release notes for 2023.

February 2022

OS

OS version

Kernel version

Release date

Description

ContainerOS 1.22.3

lifsea_3_x64_10G_k8s_1_22_3_alibase_20220113.vhd

5.10.23-5.8.lifsea8.x86_64

2022-02-22

  • The ContainerOS base image is released.

  • Key component versions:

    • Kubelet 1.22.3

    • Containerd 1.4.8

Note

The ContainerOS image is supported by all instance families, except Elastic Compute Service (ECS) bare metal instances and heterogeneous computing instances.

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 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 for Alibaba Cloud Linux 2.

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 for Alibaba Cloud Linux 2.

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 for 2023.

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 for 2023.

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 for Alibaba Cloud Linux 2.

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 for 2023.

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 for Alibaba Cloud Linux 2.

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 for Alibaba Cloud Linux 2.

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 for 2023.