OpenStack A software build by open-source community to manage private cloud datacenters. OpenStack is a CMS (Cloud management System). yum update -y yum insall vim net-tools yum install vim net-tools netstat -tulpn yum install -y https://rdoproject.org/repos/rdo-release.rpm yum groupinstall 'Development Tools' egrep --color 'vmx|svm' /proc/cpuinfo | wc -l sed -i s/'SELINUX=enforcing'/'SELINUX=disabled'/g /etc/selinux/config cat /etc/selinux/config | grep SELINUX= yum install -y centos-release-openstack-train systemctl disable firewalld systemctl stop firewalld systemctl disable NetworkManager systemctl stop NetworkManager systemctl enable network yum install -y openstack-packstack yum -y downgrade leatherman yum list | grep leatherman yum install -y tmux ---------------------------------------- Only on Controller: packstack --gen-answer-file=/root/answer.txt vim answer.txt CONFIG_iPROVISION_DEMO=n CONFIG_KEYSTONE_ADMIN_PW= (Your Password for admin)