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AlmaLinux

What is AlmaLinux ?

From the AlmaLinux website:

An Open Source, community owned and governed, forever-free enterprise Linux distribution, focused on long-term stability, providing a robust production-grade platform. AlmaLinux OS is ABI compatible with RHEL®.

AlmaLinux versions at CERN?

For the 9 family: AlmaLinux 9 (ALMA9) is provided by using the upstream content. Integration to the CERN computing environment is still possible via the addon 'CERN' repository

  • ALMA9 was made available at CERN on 16.01.2023 and support will end on 31.05.2032
  • More information on ALMA9 can be found on the dedicated ALMA9 page

For the 8 family: AlmaLinux 8 (ALMA8) is provided by using the upstream content. Integration to the CERN computing environment is still possible via the addon 'CERN' repository

  • ALMA8 was made available at CERN on 16.01.2023 and support will end on 31.05.2029
  • More information on ALMA8 can be found on the dedicated ALMA8 page

Which AlmaLinux version should I use?

We recommend all users to use AlmaLinux9 as this version has a longer product life

Installation

OpenStack images (VM and Ironic bare-metal)

OpenStack AlmaLinux images (VM and Ironic bare-metal) are available as public images within https://openstack.cern.ch

Container images (docker / podman)

docker images are available

For AlmaLinux 9: docker pull gitlab-registry.cern.ch/linuxsupport/alma9-base:latest

For AlmaLinux 8: docker pull gitlab-registry.cern.ch/linuxsupport/alma8-base:latest

AIMS PXE boot

AlmaLinux can also be installed via network boot, using same methods as CentOS distributions.

Please see PXE Network boot and AIMS2 client for more information.