To install OpenStack on CentOS 8 using yum, you can follow these steps:
Update your system:sudo yum update -yEnable the OpenStack repository:sudo yum install -y centos-release-openstack-trainInstall the OpenStack packages:sudo yum install -y openstack-packstackGenerate the answer file for Packstack:sudo packstack --gen-answer-file=~/openstack-answers.txtEdit the answer file to customize your OpenStack installation:sudo vi ~/openstack-answers.txtYou can modify parameters like CONFIG_CONTROLLER_HOST, CONFIG_COMPUTE_HOSTS, CONFIG_NETWORK_HOSTS, etc. to match your environment.
sudo packstack --answer-file=~/openstack-answers.txtThis command will install and configure all the necessary OpenStack services based on your answer file.
Please note that OpenStack is a complex system and may require additional configuration and setup depending on your specific use case. It is recommended to consult the official OpenStack documentation for detailed instructions and best practices.

