OpenStack Queens first section

system: Centos7 x86_64

Controller 2c+6g+40g 192.168.147.50 can nat internet
Compute 1c+4g+40g 192.168.147.60 can be NAT internet
Neutron 1c+2g+20g 192.168.147.70 can nat Internet off SELinux:

sudo setenforce 0 && sudo sed-i '/selinux/s/enforcing/disabled/'/etc/selinux/config && sestatus

shut down the mission firewall

Systemctl Stop firewalld.service
systemctl disable Firewalld.service

configuration hostname:

Vim/etc/hosts

192.168.72.50 openstack-controller openstack-controller.com
192.168.72.60 openstack-compute openstack-compute.com
192.168.72.70 Openstack-neutron openstack-neutron.com

Restart and configure the gateway

Reboot
echo "nameserver 192.168.72.2" >/etc/resolv.conf

installation all nodes-Basic packages:

Yum install OpenSSL openssl-devel net-tools vim wget-y

Time synchronization: Controller node:

Yum Install chrony-y
vim/etc/chrony.conf

Join:

Server time.windows.com iburst allow
192.168.72.0/24

Start the service:

Systemctl Enable Chronyd.service
systemctl start Chronyd.service

Other nodes:

Yum Install chrony-y
vim/etc/chrony.conf

Join:

Server time.windows.com iburst
server 192.168.72.50 iburst

Start the service:

Systemctl Enable Chronyd.service
systemctl start Chronyd.service

all nodes:

Sync Clock:

Chronyc sources

Make sure that the time is synchronized.
Use Timedatectl status to view:
[Root@openstack-compute ~]#

Timedatectl status

Local time: One 2018-03-12 23:14:13 CST
Universal time: One 2018-03-12 15:14:13 UTC
RTC time: one 2018-03-12 15:14:13
  time Zone:asia/shanghai (CST, +0800)
NTP enabled:yes
NTP synchronized:yes
RTC in local tz:no
DST Act ive:n/a

all nodes : Install OpenStack's Yum Source:

Yum install centos-release-openstack-queens-y
yum upgrade-y
yum install python-openstackclient-y

If the system is turned off, SELinux does not have to install this package:

Yum Install Openstack-selinux-y

Not to be continued