When you upgrade to TeamForge 8.2 on RHEL/CentOS 7.2, you can have Black Duck Code Sight on a separate RHEL/CentOS 6.7 server. Choose the instructions that fit your case.
TeamForge 8.2 supports RHEL/CentOS 7.2. However, it also supports RHEL/CentOS 6.7 if you choose to upgrade on the same server that runs RHEL/CentOS 6.7.