Centos7环境准备openstack pike的安装

##1.Centos7环境准备#Centos 7 x86_64#安装yum -y install wget vim ntp net-tools tree openssh#更换阿里源mv /etc/yum.repos.d/CentOS-Base.repo{,.bak}wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repoyum install centos-release-openstack-pike -y #安装OpenStack库yum clean all && yum makecache #生成缓存yum install python-openstackclient openstack-selinux python2-PyMySQL -y #OpenStack客户端yum install openstack-utils -y #openstack工具#关闭selinux、防火墙systemctl stop firewalld.servicesystemctl disable firewalld.servicefirewall-cmd --statesed -i '/^SELINUX=.*/c SELINUX=disabled' /etc/selinux/configsed -i 's/^SELINUXTYPE=.*/SELINUXTYPE=disabled/g' /etc/selinux/configgrep --color=auto '^SELINUX' /etc/selinux/configsetenforce 0#设置hostnameHost=controller.www.localhostnamectl set-hostname $Host# hostname $Host# echo $Host>/etc/hostname#设置网卡(Vlan、bond等)，规划好IP地址#controller节点需要外网IP（使用其它网段IP地址）作为VNC代理#hosts添加 ,controller也要添加echo "10.2.1.20  controller">>/etc/hostsecho "10.2.1.21  computer01">>/etc/hostsecho "10.2.1.22  computer02">>/etc/hosts#查看本机IPip add|sed -nr 's#^.*inet (.*)/24.*$#/1#gp'#时间同步/usr/sbin/ntpdate ntp6.aliyun.com echo "*/3 * * * * /usr/sbin/ntpdate ntp6.aliyun.com &> /dev/null" > /tmp/crontabcrontab /tmp/crontab#升级，重启yum update -y && reboot