###openstack-ocata 单节点安装 部署 目录汇总
一. 安装mariadb服务，mariadb与mysql相同，为mysql社区版
yum install mariadb mariadb-server python2-PyMySQL -y
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二. 创建文件
vim /etc/my.cnf.d/openstack.cnf
echo ‘
[mysqld]
bind-address = 192.168.2.70
default-storage-engine = innodb
innodb_file_per_table = on
max_connections = 4096
collation-server = utf8_general_ci
character-set-server = utf8
‘>>/etc/my.cnf.d/server.cnf
#bind-address 为控制节点ip
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三. 启动sql服务
systemctl enable mariadb.service
systemctl start mariadb.service
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四.初始化sql服务 创建root 密码
mysql_secure_installation
一. 安装activemq服务
yum install rabbitmq-server -y
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二 . 启动mq服务，以及开机自动启动
systemctl enable rabbitmq-server.service
systemctl restart rabbitmq-server.service
systemctl status rabbitmq-server.service
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三 . 添加mq用户与权限
rabbitmqctl add_user openstack RABBIT_PASS
####Creating user "openstack" ...
rabbitmqctl set_permissions openstack ".*" ".*" ".*"
####Setting permissions for user "openstack" in vhost "/" ...
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四.安装缓存服务
yum install memcached python-memcached -y
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五.修改配置文件
vim /etc/sysconfig/memcached
OPTIONS="-l 127.0.0.1,::1,controller"
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六.启动服务，并设置开机自动启动
systemctl enable memcached.service
systemctl start memcached.service
原文地址：https://www.cnblogs.com/yypr/p/10039505.html