[root@master openshift-ansible]# more /etc/redhat-release
Red Hat Enterprise Linux Server release 7.3 (Maipo)
[root@master openshift-ansible]# uname -a
Linux master 3.10.0-514.21.2.el7.x86_64 #1 SMP Sun May 28 17:08:21 EDT 2017 x86_64 x86_64 x86_64 GNU/Linux
[root@master openshift-ansible]# cat /etc/os-release
NAME="Red Hat Enterprise Linux Server"
VERSION="7.3 (Maipo)"
ID="rhel"
ID_LIKE="fedora"
VERSION_ID="7.3"
PRETTY_NAME="Red Hat Enterprise Linux Server 7.3 (Maipo)"
ANSI_COLOR="0;31"
CPE_NAME="cpe:/o:redhat:enterprise_linux:7.3:GA:server"
HOME_URL="https://www.redhat.com/"
BUG_REPORT_URL="https://bugzilla.redhat.com/"
REDHAT_BUGZILLA_PRODUCT="Red Hat Enterprise Linux 7"
REDHAT_BUGZILLA_PRODUCT_VERSION=7.3
REDHAT_SUPPORT_PRODUCT="Red Hat Enterprise Linux"
REDHAT_SUPPORT_PRODUCT_VERSION="7.3"