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  • ==============
    Support Matrix
    ==============
    
    Supported Operating Systems
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~
    
    Kolla Ansible supports the following host Operating Systems (OS):
    
    .. note::
    
       CentOS 7 is no longer supported as a host OS. The Train release supports
       both CentOS 7 and 8, and provides a route for migration.
    
    * CentOS 8
    * Debian Buster (10)
    * RHEL 8
    * Ubuntu Bionic (18.04)
    
    Supported container images
    ~~~~~~~~~~~~~~~~~~~~~~~~~~
    
    For best results, the base container image distribution should match the host
    OS distribution. The following values are supported for ``kolla_base_distro``:
    
    * ``centos``
    * ``debian``
    * ``rhel``
    * ``ubuntu``
    
    For details of which images are supported on which distributions, see the
    :kolla-doc:`Kolla support matrix <support_matrix>`.