单机安装openstack,及安装时报错解决

安装环境
虚拟机 4核6G 20G硬盘 一块网卡桥接模式,CPU开启虚拟化支持
(物理机也一样，测试也能正常安装)
关闭网络管理服务
sudo systemctl stop NetworkManager
sudo systemctl disable NetworkManager
关闭防火墙
sudo systemctl stop firewalld
sudo systemctl disable firewalld
sudo systemctl restart network
编辑/etc/selinux/config，修改SELINUX=disabled
更新
sudo yum -y update
添加语言支持
vi /etc/environment
LANG=en_US.utf-8
LC_ALL=en_US.utf-8

yum install -y centos-release-openstack-queens
sudo yum -y update
sync;reboot
yum install -y openstack-packstack
开始安装allinone
packstack --allinone
安装完成或账号密码会生产到你的/root/keystonerc_admin下

安装过程中报错信息
1.Permanently added 'XXXXXXX' (ECDSA) to the list of known hosts
修改/etc/ssh/ssh_config
StrictHostKeyChecking ask 改成
StrictHostKeyChecking no
2.leatherman_curl.so.1.3.0: cannot open shared
需要回退leatherman版本到1.3.0
yum downgrade leatherman
3.出现其他超时信息，一般是网络问题。重新安装就可以。