This feature was introduced in Apple’s macOS High Sierra 10.13.4 installer and has evolved with Mojave, Catalina and now Big Sur.Alternatively, you can use GParted to create Mac OS Extended (Journaled) partitions and convert to APFS using Disk Utility. Is the best way to view all processes currently running on the Mac, and from here.Erasing and reinstalling a clean macOS is now a common workflow for reprovisioning Macs for different users, purposes or simply starting over. This means you need to manually grant permission for certain applications to access these protected areas of your Mac.Then there are things like removable media and mounted disk images. Full Disk Access permission is a privacy feature introduced in macOS Mojave (10.14) that prevents some applications from accessing your important data, such as Mail, Messages, TimeMachine, and Safari files.That usually means taking more than just one step.Following are some ideas from less restrictive to more intrusive.The easiest method for restricting unwanted installations is to disclose your organization’s policy to end users that states “Do not install major macOS upgrades unless authorized by the Information Technology Department”. This can result in lengthy support calls when something goes wrong.What steps can we take to prevent our end users from installing a new major macOS version? Keep in mind, end users can acquire the installer and run the installer in multiple ways. Identifying Macs eligible to erase and install or upgradeNot every administrator is ready to support macOS Big Sur, but sometimes our end users get ahead of us and install it themselves. Files On-Demand settings are unique to each.Let’s spend some time discussing how to manage macOS Big Sur installations including: : macOS High Sierra 10.13.6.If youve been using a previous file system, it will be automatically updated when you upgrade to Mac OS Mojave. Please check the Changelog.txt file for more details.Adding the Delete Application option will delete it immediately, bypassing the Trash.When restricting by application name, be aware the end user can simply rename the installer and bypass the restriction.4. Instead of allowing the end user to continue, Jamf Pro will quit the installer before it can continue. Restrict using the application name and kill the process.This is similar to the first method, but it includes the Kill Process option. In the Execute Command field enter:3. Depending on your organization, this may be enough.To avoid end users receiving notifications that the macOS Big Sur installer is available, administrators can use the -ignore option built into the softwareupate command line tool.Create a new Jamf Pro policy and add the Files & Processes payload toward the bottom.When double-clicked or run using the startosinstall command line tool (discussed a little later), the Mac must be connected to the internet and it will download the rest of the files it needs to complete. It’s not a full installer but rather the same app without the 12 GB SharedSupport.dmg in the app bundle. This will download what some folks describe as a “stub” installer. That means we don’t need to upload an unwieldy package to our distribution points or manage new versions as they’re released.While this works well, it does have one caveat. Maybe, this will reliably work in the future.The Install macOS Big Sur application is available in Apps and Books when viewing either Apple Business Manager or Apple School Manager and is deployable like other Mac App Store apps.
Best Disk Cleaner Using Mojave Full Disk AccessRemotely running the macOS installerThe startosinstall command line tool is found inside the Install macOS Big Sur app bundle. Be sure to get the current version of the installer app by selecting it and choosing File > Get Info.Now that we’ve identified Macs ready for macOS Big Sur, let’s end with methods for running the installer. 35.5GB of available storage for macOS Sierra 10.12 or later (I like to multiply that by about 1.5x to 2x for breathing room)MacOS Big Sur Compatible (Macs Smart Computer Group)Let’s create a new Smart Computer Group to identify eligible Macs and name it “macOS Big Sur Compatible Macs” and add the following criteria: Operating System Version greater than or equal 10.9And Boot Drive Available MB more than 53760After saving, be sure to click the View button to verify the group is working as expected.Install macOS Big Sur App Cached (Macs Smart Computer Group)While we’re at it, create a second Smart Computer Group named “Install macOS Big Sur App Cached” and add the following criteria: Application Title is Install macOS Big Sur.appThis will help us identify Macs that have the Big Sur installer app already downloaded to prevent Jamf Pro from downloading it again. Identifying Macs eligible to erase and installBefore running the installer to erase and install our Macs or even upgrade them, we need to first identify which ones meet Apple’s system requirements. So, let’s next examine macOS Big Sur’s installation requirements. Quicken for mac spinning ballIt also has the advantage of working even if we’ve used Software Restrictions to block the InstallAssistant process and we can invoke it as part of a script or a Jamf Pro policy (optionally, using Self Service).To find the command line tool, right-click or Control-click the Install macOS Big Sur application and choose Show Package Contents > Contents > Resources.
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