AlmaLinux 9, popular CentOS alternative, available now


PALO ALTO, Calif.–(BUSINESS WIRE)–Foundation of the AlmaLinux operating system, the non-profit organization that operates AlmaLinux, the community-owned and governed open-source CentOS replacement, today announced AlmaLinux 9, is now available for immediate download. The latest version of the popular CentOS alternative offers features that make it easier to automate and deploy at scale, networking improvements for cloud and edge, and is more secure and faster by design with encryption next-level and SELinux speed improvements. Based on the 5.14 kernel, AlmaLinux 9 is the first AlmaLinux release to come from CentOS Stream via RHEL. AlmaLinux is proud to contribute to CentOS Stream.

AlmaLinux 9, available shortly after RHEL 9, achieved architectural parity with upstream, becoming the first distribution to do so, and is available for x86_64, aarch64, ppc64le, and s390x. AlmaLinux 9 images, live media and container images can be downloaded here:

“We are building AlmaLinux with the specific goal of creating an independent, truly community-centric CentOS successor designed for everyone, whether you deploy hybrid multi-cloud solutions, large HPC or VFX clusters, a small business, a homelab , or even for your Raspberry Pi. We offer everyone a uniform, safe, secure, easy-to-use and reliable platform to build your future on. We are pleased to announce AlmaLinux 9 and proud of the progress we have made over the past year, working with the upstream and the Stream process, releasing in parallel with RHEL, adding new architectures, new containers, while helping users on a daily basis and growing the AlmaLinux community » said Jack Aboutboul, Community Manager for AlmaLinux and AlmaLinux OS Foundation Board Member, “This is how true open source grows and flourishes.”

AlmaLinux 9 Main Features

Automation and web cockpit enhancements

  • More performance metrics in the Web Cockpit

  • Access to information to identify bottlenecks

  • Easier export of data to data analysis and reporting tools, such as Grafana

  • Ability to apply kernel live patches in web cockpit

  • Ability to create images through a single build node

Security enhancements

  • Ability to use smart card authentication to access remote hosts

  • Additional security profiles to help achieve compliance with standards such as PCI-DSS, HIPAA

  • More logging details from SSSD, the open-source client for enterprise identity management, such as time taken to complete tasks and errors, and a new log analysis tool for analyzing logs of SSSD debugging, acts as “a grep front-end” for new search capabilities

  • AlmaLinux 9 integrates OpenSSL 3:

    • Allow the use of the latest security standards and security ciphers for data encryption and protection

    • The new FIPS module has passed FIPS 140-2 validation, the federal security requirement for cryptographic modules

  • Takes advantage of hashes and digital signatures provided by the kernel integrity subsystem, Integrity Measurement Architecture (IMA) to verify the operating system

  • SSH root password login is disabled by default

Application development environment updates

  • GCC 11 is the default system compiler

  • Latest versions of LLVM, Rust and Go compilers

  • Version 2.34 of the GNU C Library Project (glibc)

  • Python 3.9, which includes proper time zone support, a new high-performance parser, new string functions, updated dictionary, and merge operators

    • Including time zone sensitive timestamps and new string prefix and suffix methods, and dictionary union operations

  • AlmaLinux 9 UBI base images

    • Standard, micro, minimal, and init images

    • Podman container engine update

    • Cgroup2 by default, supported by Podman, which adds rootless containers and better memory management and is now more frequently required for Kubernetes tools

AlmaLinux has millions of downloads from a network of over 200 mirrors worldwide and powers US government agency projects, the defense industry, CERN particle accelerators, commercial applications across a wide range businesses as well as software development at gitlab and the web hosting industry. AlmaLinux has over 1.5 million docker pulls, available on all major public cloud platforms, including AWS, Azure, Google Cloud, Oracle OCI and others. AlmaLinux OS Foundation members supporting the rapid development of AlmaLinux include AMD, CloudFest, CloudLinux, and Codenotary. AlmaLinux is adopted and supported by some of today’s leading open source ecosystem projects, including VMWare, GitLab, Tenable, and many more. For more information, see:

AlmaLinux Resources

About AlmaLinux

AlmaLinux OS is an open source, community driven, free forever enterprise Linux distribution. It is focused on long-term stability and provides a robust production platform. It is 1:1 binary compatible with RHEL(r) and pre-Steam CentOS. The AlmaLinux operating system is under the jurisdiction of the AlmaLinux Operating System Foundation, which is a 501(c)(6) non-profit organization established for the benefit of the AlmaLinux operating system community.


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