Install openstack is EASY!
1> Install CentOS mini OS 2> Disable the firewalld/NetworkManager & enable network systemctl stop firewalld systemctl disable firewalld systemctl stop NetworkManage systemctl disable NetworkManage systemctl enable network systemctl start network 2> yum -y update 3> yum -y install centos-release-openstack-queens epel-release 4> yum -y install openstack-packstack python-pip 5> packstack --allinone took about 20 mins, you will see this message: OPTION: if you want to edit the configuration before building: packstack --gen-answer-file=openstack.conf then you can edit the configuration; then type: packstack --answer-file=openstack.conf yum -y install openstack-neutron-lbaas haproxy openstack-utils **** Installation completed successfully ****** [root@vm01 ~(keystone_admin)]# openstack catalog list +------------+--------------+-------------------------------------------------------------------...