
More generally, this new approach to firmware updates means that you can’t use monolithic system imaging to upgrade a Mac to a new version of macOS.
#Cocktail for mac sierra install#
You can install High Sierra via the macOS Installer, by creating a bootable installer, from within macOS Recovery, and via a NetInstall image created by System Image Utility (available with macOS Server).

#Cocktail for mac sierra update#
The company claims you must be connected to the Internet when upgrading macOS, and the macOS Installer uses the model number of your Mac to identify and download a firmware update specific to that Mac to enable it to recognize APFS. There’s no penalty for caution, and be absolutely certain that Macs are backed up before upgrading them once Apple’s initial bug fixes are out.įirmware Updates via the Cloud - With High Sierra, Apple is re-emphasizing how Macs get firmware updates over the Internet. Although we’re not hearing of major software compatibility issues, the move to APFS is a very big deal, and it’s entirely possible that some problematic scenarios won’t have been anticipated by Apple or revealed by the public beta test. Important High Sierra Changes for IT Adminsįor most individual users, upgrading to macOS 10.13 High Sierra won’t require much more than going through the steps in Joe Kissell’s “ Take Control of Upgrading to High Sierra.” But for those of you who manage Macs for an organization (or are just interested in how things work behind the scenes), there are some important changes that you should know.įirst, I want to reiterate that our recommendation for High Sierra is that most everyday Mac users don’t upgrade immediately, but instead wait for 10.13.1 or even 10.13.2.

Apple lawsuit decided, Internet privacy limitations, combine Mac speakers
