Use yum.
yum install -y <full_name_of_rpm>
RPM -ivh always works well for me .
Is this an upgrade or initial install ?
if upgrade try rpm -ivh <package name > —force
@klaxdal I checked my bin directory and it looks like only half of splunk installed (compared to the Bin Directory on Windows Splunk). I'm going to uninstall the app and let you.