OpenStack Icehouse : Pre-Requirements2014/08/31

	This is the example of Cloud Computiong by OpenStack. On this example, Install and configure Keystone, Glance, Nova, Horizon on a server as All-in-One. For other componets, refer to the precondition of the section. Install some services which some components of OpenStack needs forst on here.
[1]	Install NTP Server like here and adjusts the date and time.
[2]	Install KVM HyperVisor like here. It's unnecessarry to set Bridge networking manually, though. ( OpenStack system sets Bridge networking )
[3]	Add the repository of Openstack Icehouse and Update the system.

[root@dlp ~]#

yum -y install http://repos.fedorapeople.org/repos/openstack/openstack-icehouse/rdo-release-icehouse.rpm

[root@dlp ~]#

sed -i -e "s/enabled=1/enabled=0/g" /etc/yum.repos.d/rdo-release.repo

[4]	Install MariaDB Server for backend database.

# install from RDO which is added in section [3]

[root@dlp ~]#

yum --enablerepo=openstack-icehouse -y install mariadb-galera-server

[root@dlp ~]#

systemctl start mariadb

[root@dlp ~]#

systemctl enable mariadb

# connect to MariaDB

[root@dlp ~]#

mysql -u root

Welcome to the MariaDB monitor.  Commands end with ; or \g.
Your MariaDB connection id is 3
Server version: 5.5.36-MariaDB-wsrep MariaDB Server, wsrep_25.9.r3961

Copyright (c) 2000, 2014, Oracle, Monty Program Ab and others.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

# set root password

MariaDB [(none)]>

set password for root@localhost=password('password');

Query OK, 0 rows affected (0.00 sec)

# set root password

MariaDB [(none)]>

set password for root@'127.0.0.1'=password('password');

Query OK, 0 rows affected (0.00 sec)

# set root password

MariaDB [(none)]>

set password for root@'dlp.srv.world'=password('password');

Query OK, 0 rows affected (0.00 sec)

# delete anonymous user

MariaDB [(none)]>

delete from mysql.user where user='';

Query OK, 2 rows affected (0.00 sec)

# delete IPV6 user if not need

MariaDB [(none)]>

delete from mysql.user where user='root' and host='::1';

Query OK, 2 rows affected (0.00 sec)

MariaDB [(none)]>

select user,host,password from mysql.user;

+------+------------------+-------------------------------------------+
| user | host             | password                                  |
+------+------------------+-------------------------------------------+
| root | localhost        | *2470C0C06DEE42FD1618BB99005ADCA2EC9D1E19 |
| root | dlp.srv.world | *2470C0C06DEE42FD1618BB99005ADCA2EC9D1E19 |
| root | 127.0.0.1        | *2470C0C06DEE42FD1618BB99005ADCA2EC9D1E19 |
+------+------------------+-------------------------------------------+
3 rows in set (0.00 sec)

MariaDB [(none)]>

exit

Bye

[5]	Install RabbitMQ, Memcached, Avahi.

# install from EPEL

[root@dlp ~]#

yum --enablerepo=epel -y install rabbitmq-server memcached

[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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