How to find OpenStack version?

1. Login to OpenStack controll node (Keystone Server)
2. Run following commands
    keystone-manage  --version
    nova-manage  --version
3. If version you got from step 2 are 2013.2.x, then you are runing Havana release
   If version you got from step 2 are 2014.1.x, then you are runing IceHouse release
For more infroamtion on OpenStack release, plrease check https://wiki.openstack.org/wiki/Releases

# keystone-manage  --version
2014.1.5
# nova-manage  --version
2014.1.5

                                                                     OR
Using the nova-common package 

#rpm -qi openstack-nova-common
Name        : openstack-nova-common        Relocations: (not relocatable)
Version     : 2014.1.5                          Vendor: Fedora Project COPR (jruzicka/rdo-icehouse-epel-6)
Release     : 1.el6                         Build Date: Wed 01 Jul 2015 08:54:17 PM IST
Install Date: Fri 20 May 2016 05:02:21 PM IST      Build Host: copr-builder-451543866
Group       : Applications/System           Source RPM: openstack-nova-2014.1.5-1.el6.src.rpm
Size        : 164915                           License: ASL 2.0
Signature   : RSA/SHA1, Fri 31 Jul 2015 03:21:06 AM IST, Key ID e50be6ab0e4fbd28
OpenStack Compute (codename Nova) is open source software designed to
URL         : http://openstack.org/projects/compute/
Summary     : Components common to all OpenStack Nova services
Description :
provision and manage large networks of virtual machines, creating a
including running instances, managing networks, and controlling access
redundant and scalable cloud computing platform. It gives you the
software, control panels, and APIs required to orchestrate a cloud,
through users and projects. OpenStack Compute strives to be both
between all the OpenStack nova services.
hardware and hypervisor agnostic, currently supporting a variety of
standard hardware configurations and seven major hypervisors.

This package contains scripts, config and dependencies shared 

#rpm -qi openstack-keystone

Name        : openstack-keystone           Relocations: (not relocatable)
Version     : 2014.1.5                          Vendor: Fedora Project COPR (jruzicka/rdo-icehouse-epel-6)
Release     : 1.el6                         Build Date: Wed 24 Jun 2015 08:30:51 PM IST
Install Date: Fri 20 May 2016 05:00:41 PM IST      Build Host: copr-builder-151548838
Group       : Unspecified                   Source RPM: openstack-keystone-2014.1.5-1.el6.src.rpm
Size        : 88590                            License: ASL 2.0
Signature   : RSA/SHA1, Fri 31 Jul 2015 03:21:14 AM IST, Key ID e50be6ab0e4fbd28
(http://www.openstack.org) identity service API.
URL         : http://keystone.openstack.org/
Summary     : OpenStack Identity Service
Description :
Keystone is a Python implementation of the OpenStack

This package contains the Keystone daemon.

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