There’s rarely a good time to upgrade your enterprise operating system (OS). It takes time and attention, which are probably already stretched thin with priority work.Resource constraints aren’t the only thing that can put upgrade or migration plans on hold. Many users of Red Hat Enterprise Linux (RHEL) 7 have critical workloads depending on the OS, and they can’t afford any downtime. Others are hung up by their organization’s dependence on third-party applications or services that ha...