Configuring the Yum Source

Configure the Yum source on all nodes.

1. Use CentOS-Base.repo provided by the OS as the basic repository.

   1	ls /etc/yum.repos.d

2. Install centos-release-openstack-stein.

   1	yum -y install centos-release-openstack-stein

If OpenStack Rocky is installed, download the corresponding library yum -y install centos-release-openstack-rocky.