I believe you can switch your yum (or dnf) repository to point to a Red Hat source, then use yum to reinstall all your packages from the RHEL equivalent. There

I believe you can switch your yum (or dnf) repository to point to a Red Hat source, then use yum to reinstall all your packages from the RHEL equivalent. There's a couple tutorials out there for it, and once finished your system will look indistinguishable from the RHEL version. Of course, if you are running your systems using modern devops design principles, then you can redeploy your infrastructure based on RHEL repositories instead of CentOS.