Hello, I am trying to install openstack tool in CentOS 6.4. Step 1: Software repositories Run the following command: sudo yum install -y http://rdo.fedorapeople.org/openstack/openstack-grizzly/rdo-release-grizz... Step 2: Install Packstack Installer sudo yum install -y openstack-packstack Step 3: Run Packstack to install OpenStack Packstack takes the work out of manually setting up OpenStack.For a single node OpenStack deployment, run the following command. packstack --allinone In the 3rd step I am facing the following error.I am sending the output of command: packstack --allinone -bash-4.1# packstack --allinone Installing: Clean Up... [ DONE ] Adding pre install manifest entries... [ DONE ] Installing time synchronization via NTP... [ DONE ] Setting up ssh keys... [ DONE ] Adding MySQL manifest entries... [ DONE ] Adding QPID manifest entries... [ DONE ] Adding Keystone manifest entries... [ DONE ] Adding Glance Keystone manifest entries... [ DONE ] Adding Glance manifest entries... [ DONE ] Adding Cinder Keystone manifest entries... [ DONE ] Installing dependencies for Cinder... [ DONE ] Checking if the Cinder server has a cinder-volumes vg... [ DONE ] Adding Cinder manifest entries... [ DONE ] Adding Nova API manifest entries... [ DONE ] Adding Nova Keystone manifest entries... [ DONE ] Adding Nova Cert manifest entries... [ DONE ] Adding Nova Compute manifest entries... [ DONE ] Adding Nova Network manifest entries... [ DONE ] Adding Nova Scheduler manifest entries... [ DONE ] Adding Nova VNC Proxy manifest entries... [ DONE ] Adding Nova Common manifest entries... [ DONE ] Adding OpenStack Client manifest entries... [ DONE ] Adding Horizon manifest entries... [ DONE ] Preparing servers... [ DONE ] Adding post install manifest entries... [ DONE ] Installing Dependencies... [ DONE ] Copying Puppet modules and manifests... [ DONE ] Applying Puppet manifests... Applying 14.98.122.82_prescript.pp 14.98.122.82_prescript.pp : [ DONE ] Applying 14.98.122.82_ntpd.pp 14.98.122.82_ntpd.pp : [ DONE ] Applying 14.98.122.82_mysql.pp Applying 14.98.122.82_qpid.pp 14.98.122.82_mysql.pp : [ DONE ] 14.98.122.82_qpid.pp : [ DONE ] Applying 14.98.122.82_keystone.pp Applying 14.98.122.82_glance.pp Applying 14.98.122.82_cinder.pp ERROR : Error during puppet run : err: /Stage[main]/Keystone/Package [keystone]/ensure: change from absent to present failed: Execution of '/usr/bin/yum -d 0 -e 0 -y install openstack-keystone' returned 1: Error: Nothing to do Please check log file /var/tmp/packstack/20130617-123123-MQM3JN/openstack-setup.log for more information Additional information: * A new answerfile was created in: /root/packstack-answers-20130617-123243.txt * To use the command line tools you need to source the file /root/keystonerc_admin created on 14.98.122.82 * To use the console, browse to http://14.98.122.82/dashboard Warm Regards, Shilpi Verma