Debian 9 Stretch
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OpenStack Newton : Pre-Requirements
2017/07/02
 
This is the exmaple of Cloud Computing by OpenStack.
Install some services which some components of OpenStack needs for system requirements on here.
This example is based on the environment like follows. 
                  eth0|10.0.0.30 
          +-----------+-----------+
          |    [ Control Node ]   |
          |                       |
          |  MariaDB    RabbitMQ  |
          |  Memcached            |
          +-----------------------+
[1]
Install NTP Server to adjusts the date and time, refer to here.
[2]
Install MariaDB Server, refer to here.
[3] Install RabbitMQ, Memcached.
root@dlp:~#
apt -y install rabbitmq-server memcached python-pymysql
# add a user (set any password for "password" section)

root@dlp:~#
rabbitmqctl add_user openstack password

Creating user "openstack" ...
root@dlp:~#
rabbitmqctl set_permissions openstack ".*" ".*" ".*"

Setting permissions for user "openstack" in vhost "/" ...
root@dlp:~#
vi /etc/mysql/mariadb.conf.d/50-server.cnf
# line 29: change

bind-address =
0.0.0.0
root@dlp:~#
vi /etc/memcached.conf
# line 35: change

-l
0.0.0.0
root@dlp:~#
systemctl restart rabbitmq-server mariadb memcached
 
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