OpenStack Kilo : Pre-Requirements2015/11/12

	This is the exmaple of Cloud Computiong by OpenStack. On this example, Install and configure Keystone, Glance, Nova, Horizon, on a server as All-in-One. Install some services which some components of OpenStack needs for system requirements on here.
[1]	Install NTP Server to adjusts the date, refer to here.
[2]	Install KVM HyperVisor like here. It's unnecessarry to set Bridge networking manually, though. ( OpenStack system sets Bridge networking )
[3]	Install MariaDB Server, refer to here.
[4]	Install RabbitMQ and Memcached.

[root@dlp ~]#

dnf -y install rabbitmq-server memcached

[root@dlp ~]#

mv /etc/rabbitmq/rabbitmq.config /etc/rabbitmq/rabbitmq.config.org

[root@dlp ~]#

vi /etc/rabbitmq/rabbitmq.config

# create new

[
  {rabbit, [{loopback_users, []}]}
].

[root@dlp ~]#

systemctl start rabbitmq-server

[root@dlp ~]#

systemctl enable rabbitmq-server

# change guest's password

[root@dlp ~]#

rabbitmqctl change_password guest password

Changing password for user "guest" ...
...done.

[root@dlp ~]#

systemctl start memcached

[root@dlp ~]#

systemctl enable memcached

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