We have ESXi 4.0 (VSphere.) I'd like to apply Update 1. The instructions I've found so far are not clear how to go about this.
I have the patch file (ESXi-4.0.0-update1.zip), but without a CLI or Upgrade Manager, I'm not sure how to apply it. I also downloaded the Update1 install ISO, and booted our host from it; however, this isn't a patch process but a new install complete with a volume wipe.