#vi /etc/my.cnf在[mysqld]下添加如下内容bind-address = 192.168.100.10default-storage-engine = innodbinnodb_file_per_tablemax_connections = 4096collation-server = utf8_general_cicharacter-set-server = utf8

#systemctl start mariadb#systemctl enable mariadb

[root@controller ~]# mysql_secure_installation 
Enter current password for root (enter for none):   #这句话直接回车
Set root password? [Y/n]       选择Y，然后设置数据库密码  这里设置000000
Remove anonymous users? [Y/n]     选择Y
Disallow root login remotely? [Y/n]    选择N
Remove test database and access to it? [Y/n]    选择Y
Reload privilege tables now? [Y/n]    选择Y

[root@controller ~]# mysql -uroot -p000000Welcome to the MariaDB monitor.  Commands end with ; or \g.Your MariaDB connection id is 16Server version: 10.1.12-MariaDB MariaDB Server
Copyright (c) 2000, 2016, Oracle, MariaDB Corporation Ab and others.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
MariaDB [(none)]>

#yum -y install mongodb-server mongodb
编辑配置文件#vi /etc/mongod.conf修改bind_ip = 192.168.100.10     #bind_ip 使用控制节点管理网卡的IP地址修改smallfiles = true

#systemctl start mongod#systemctl enable mongod

#yum -y install rabbitmq-server 
启动并设置开机启动#systemctl start rabbitmq-server#systemctl enable rabbitmq-server
添加Openstack用户并设置密码#rabbitmqctl add_user openstack 000000    #此处六个零为密码，可自行更改
给openstack用户权限 ： 配置 写  读  三个权限[root@controller ~]# rabbitmqctl set_permissions openstack '.*' '.*' '.*'

#yum -y install memcached python-memcached
启动并设置开机启动#systemctl start memcached#systemctl enable memcached