OBIEE 11.1.1.7.0 Installation issue on Oracle Linux 6.7 in Prerequisite Checks step.

ERROR:

We faced an issue while installing OBIEE 11.1.1.7.0 on Oracle Linux 6.7 in Prerequisite Checks step.

"
Check Description:This is a prerequisite condition to test whether the Oracle software is certified on the current O/S or not.
Expected result: One of redhat-6,oracle-6,oracle-5.6,enterprise-5.4,enterprise-4,enterprise-5,redhat-5.4,redhat-4,redhat-5,SuSE-10,SuSE-11
Actual Result: oracle-Oracle
Check complete. The overall result of this check is: Failed <<<<
"

Cause: When you check the error message you can see the OS version is mentioned as oracle-Oracle "Actual Result: oracle-Oracle"

Cause: The installer checks for the version of Linux and doesn't find the version correctly because of that it shows the version as oracle-Oracle. To identify which version is installed you need lbs_release package.

Solution: 

Check which  RedHat packages are installed in your system using below mentioned command.

rpm -q -a 

To install the package execute the command 

yum install redhat-lsb

Then try reinstalling again and this will fix your issue.

Courtesy: https://support.oracle.com/epmos/faces/DocumentDisplay?_afrLoop=552556712835725&id=1487381.1&_afrWindowMode=0&_adf.ctrl-state=8ajtig913_1119