The guidelines in this document frequently refer to the following existing documentation:
If you are using SAP HANA, follow How do I upgrade from RHEL 6 to RHEL 7 with SAP HANA instead. Note that the upgrade path for SAP HANA is from RHEL 6.10 to RHEL 7.6.
- Upgrading from RHEL 7 to RHEL 8
This document also includes additional instructions specific to upgrading from RHEL 6 to RHEL 8.