Install and configure controller node for Red Hat Enterprise Linux and CentOS in nova

[Francisco Cruz]

This bug tracker is for errors with the documentation, use the following as a template and remove or add fields as you see fit. Convert [ ] into [x] to check boxes:

- [ ] This doc is inaccurate in this way: ______
- [X] This is a doc addition request.
- [ ] I have a fix to the document that I can paste below including example: input and output.

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Release: 29.0.2.dev8 on 2023-02-15 22:37:40
SHA: 238c98cc988e8182da00b5081c0bcbb01e399647
Source: https://opendev.org/openstack/nova/src/doc/source/install/controller-install-rdo.rst
URL: https://docs.openstack.org/nova/2024.1/install/controller-install-rdo.html

I have followed all the installation steps, but I can't start either the Nova Scheduler or the Nova Conductor.

https://ibb.co/ynxFfjH