Supported Operating Systems¶
Kolla Ansible supports the following host Operating Systems (OS):
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. See the Kolla Ansible Train documentation for information on migrating to CentOS 8.
CentOS Linux 8 (as opposed to CentOS Stream 8) is no longer supported as a host OS. The Victoria release will in future support both CentOS Linux 8 and CentOS Stream 8, and provides a route for migration.
CentOS Stream 8
Debian Bullseye (11)
RHEL 8 (deprecated)
Rocky Linux 8
Ubuntu Focal (20.04)
Supported container images¶
For best results, the base container image distribution should match the host
OS distribution. The following values are supported for
For details of which images are supported on which distributions, see the Kolla support matrix.