openstack installation in Linux

This is the Exmaple of building Cloud Computing infrastracture by OpenStack
Please learn simply description about OpenStack below before building.

(1) Main Components of OpenStack

Service	Code Name	Description
Identity Service	Keystone	User Management
Compute Service	Nova	Virtual Machine Management
Image Service	Glance	Manages Virtual image like kernel image or disk image
Dashboard	Horizon	Provides GUI console via Web browser
Object Storage	Swift	Provides Cloud Storage
Block Storage	Cinder	Storage Management
Network Service	Quantum	Virtual Network Management

(2) Services which the components of OpenStack needs Type Software Which needs Virtualization libvirt ( KVM, Xen ), LXC, VMware nova-compute Database MySQL or PostgreSQL, SQLite keystone, glance, nova Web Server Apache HTTP, Nginx horizon Message Service RabbitMQ, Apache Qpid nova Cache Service memcached horizon

OpenStack is easily installed using a package called Packstack. Redhat is one of the primary contributors to packstack and this method  is similar to the installation of RDO, described here
 
The procedure is quite simple:
Install Redhat, Fedora or Centos on one or more x86 servers.
I installed the minimal Centos installation on a Dell OPTIPLEX 790
Install and configure NTP - network time protocol
# yum install ntp
# chkconfig ntpd on
# ntpdate pool.ntp.org
# /etc/init.d/ntpd start
Install the Fedora repo for grizzly
# yum install -y http://rdo.fedorapeople.org/openstack/openstack-grizzly/rdo-release-grizzly-2.noarch.rpm

CIO, CTO & Developer Resources

Install packstack
# yum install -y openstack-packstack
Generate an answer file
# packstack --gen-answer-file=/root/grizzly_openstack.cfg

please find grizzly_openstack.cfg