AlmaLinux, an alternative downstream of RHEL

AlmaLinux distro

AlmaLinux is a free, open source Linux distribution, created by CloudLinux and supported both by CloudLinux and other sponsors. It is focused on long-term stability and governed by the community; with regular releases. It is licensed under General Public License version 2 (GPLv2) and other licenses.

AlmaLinux distribution

Like other distributions such as Rocky Linux, AlmaLinux was born as an alternative downstream of RHEL after CentOS’ discontinuation in December 2021. Red Hat has replaced CentOS Linux with a rolling release: CentOS Stream. So, when creating this new distro, CloudLinux aimed to provide a community-supported, enterprise-grade OS compatible with new releases of RHEL (Red Hat Enterprise Linux).

The AlmaLinux OS Foundation, a non-profit organization, was established to take ownership of the project. It has different classes of membership: Platinum, Gold, Silver, Contributor, Alumnus and Mirror. Moreover, as mentioned above, apart from CloudLinux, many other organizations, such as Equinix, Plesk and cPanel, back the project as well.

The source code and tools used to build the distro are on AlmaLinux’s GitHub. Besides, users can interact and discuss with other users via the distribution’s community chat, forum and Reddit.


The first stable release of AlmaLinux, version 8.3 (codename: Purple Manul), was released in March 2021.

AlmaLinux OS 9.0

As of December 2023, the latest release is AlmaLinux 9.3, released in November 2023 and codenamed “Shamrock Pampas Cat”. This version supports the following architectures: Intel/AMD (x86_64), ARM64 (aarch64), IBM PowerPC (ppc64le) and IBM Z (s390x). It is based on kernel version 5.14.0-362.8.1 and delivers enhancements for performance monitoring tools, security, compilers, etc.

The AlmaLinux 9.x series is expected to include active support until May 2027 and security support until May 2032.

ReleaseCodenameKernelRelease date
9.0Emerald Puma5.14.0-362.8.1May 2022
9.1Lime Lynx5.14.0-284.11.1November 2022
9.2Turquoise Kodkod5.14.0-162.6.1May 2023
9.3Shamrock Pampas Cat5.14.0-70.13.1November 2023

AlmaLinux OS 8.0

The AlmaLinux 8.x series is expected to include active support until May 2024 and security support until March 2029.

ReleaseCodenameKernelRelease date
8.3Purple Manul5.18.0-240March 2021
8.4Electric Cheetah5.18.0-305May 2021
8.5Arctic Sphynx5.18.0-348November 2021
8.6Sky Tiger5.18.0-372.9.1May 2022
8.7Stone Smilodon5.18.0-425.3.1November 2022
8.8Sapphire Caracal5.18.0-477.10.1May 2023
8.9Midnight Oncilla5.18.0-513.5.1November 2023

You can find further details about it in AlmaLinux’s website.

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