What is notably different is the automated nature of the install: I want to install essential upgrades during scheduled downtime, not meddle with reverts during

What is notably different is the automated nature of the install: I want to install essential upgrades during scheduled downtime, not meddle with reverts during a working-day rush hour when the computer is supposed to be doing something useful (i.e. people depend on the workstation to be up so they can do their jobs, and other people depend on that, etc.) This is the huge f-ckup.