云计算之openstack
openstack搭建准备工作[*]主机名与服务器ip地址
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controller 192.168.23.98（控制节点）
compute1 192.168.23.61（计算节点）
2.配置hosts解析
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# vim /etc/hosts
添加
192.168.23.98 controller
192.168.23.61 compute1
# scp /etc/hosts root@compute1:/etc/hosts 要保证每个节点的
hosts文件统一
3.验证
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# ping -c 4 compute1
PING compute1 (192.168.23.61) 56(84) bytes of data.
64 bytes from compute1 (192.168.23.61): icmp_seq=1 ttl=64 time=0.639 ms
64 bytes from compute1 (192.168.23.61): icmp_seq=2 ttl=64 time=0.307 ms
64 bytes from compute1 (192.168.23.61): icmp_seq=3 ttl=64 time=0.324 ms
64 bytes from compute1 (192.168.23.61): icmp_seq=4 ttl=64 time=0.312 ms
--- compute1 ping statistics ---
4 packets transmitted, 4 received, 0% packet loss, time 3000ms
rtt min/avg/max/mdev = 0.307/0.395/0.639/0.142 ms
5.关闭selinx和防火墙firewalld
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以下命令所有节点都执行
# sed -i 's/SELINUX=enforcing/SELINUX=disabled/g' /etc/selinux/config
# setenforce 0
# systemctl stop firewalld.service
# systemctl disable firewalld.service
# reboot
# sestatus –v 检查是否关闭成功
SELinux status: disabled
4.配置时间同步服务器（NTP）
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控制节点
# yum install chrony -y 安装服务
# sed -i 's/#allow 192.168\/16/allow 192.168\/16/g' /etc/chrony.conf
# cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime 更改时区
启动NTP服务
# systemctl enable chronyd.service
# systemctl start chronyd.service
配置计算节点
# yum install chrony -y
# sed -i 's/^server.*$//g' /etc/chrony.conf
# sed -i "N;2aserver controller iburst" /etc/chrony.conf
# cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime 更改时区
启动NTP服务
# systemctl enable chronyd.service
# systemctl start chronyd.servic
5.openstack安装包
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所有节点执行
# yum install centos-release-openstack-newton -y
# yum upgrade -y
# yum install python-openstackclient openstack-selinux -y
基本的准备基本完成
本文出自 “linux运维” 博客，请务必保留此出处http://lijiawang.blog.51cto.com/10156897/1890696
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