Restor is a user-friendly application to (mass) image macOS computers from a single source
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WardsParadox and tburgin Added missing quotes on the Predicates defaults commands (#51)
Added disk filter flag information
Added example for Disk Identifier for predicate
Latest commit a002364 Sep 12, 2018


Restor is a user-friendly application to (mass) image macOS computers from a single source. It is an application intended to be run interactively on a machine.


You can attach the machine-to-be-imaged via Thunderbolt or USB to the machine running Restor.

Restor Disk Choice

Restor will cache an image once it has been downloaded for future use, and will validate the image via SHA256. Only if the signature has changed, will the image be downloaded again.

Restor Download Progress

Restor Image Validation

Example Configuration

Restor has a few configurable options, 1 of which is required. These can be specified using a local plist (stored at /Library/Preferences/ or using a Configuration Profile for the domain.



Set the ConfigURL preference to point at a plist containing the images to be used.

sudo defaults write /Library/Preferences/ ConfigURL "http://server/images.plist"

The following format for the plist is required:

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "">
<plist version="1.0">
			<string>Sierra (10.12) All Models</string>



Set the CustomImage preference to toggle the use of a local custom image.

sudo defaults write /Library/Preferences/ CustomImage -bool true



Set how often Restor should download and validate the image configuration in the background. Specified in seconds, defaults to 900 (15 minutes).

sudo defaults write /Library/Preferences/ ConfigCheckInterval -int 600



Allows you to customize which disks will appear in the Restor UI (or that will be imaged automatically in auto-image mode). The default predicates, which cannot be overridden, will filter out internal disks and system volumes such as Recovery, VM, Preboot, etc. This key allows you to specify, using NSPredicate other disks which should not be shown to the user. You can use any of the properties on the Disk object to create your predicate.

You can also pass the --debug-disk-filters flag to to see what effects the predicate is having.


  • Filter out disks larger than 5TB:
sudo defaults write /Library/Preferences/ DiskFilterPredicate -string \
    "(diskSize < 5497558138880)"
  • Filter out disks made by Seagate:
sudo defaults write /Library/Preferences/ DiskFilterPredicate -string \
    "(deviceVendor != 'Seagate')"
  • Filter out disks by their id:
sudo defaults write /Library/Preferences/ DiskFilterPredicate -string \
    "(bsdName != 'disk3s2')"

10.13 and APFS Note

In order to restore an APFS 10.13 DMG to a machine, the host machine running Restor must also be upgraded to High Sierra 10.13. Otherwise, you will receive an error when attempting to image the machine.

Restor APFS Error

Building from source

Building Restor from source is not required for general usage. Please see the Releases page to download a pre-compiled version of Restor.


  • Xcode 9+ installed
  • cocoapods installed
  • A valid "Mac Developer" Signing Certificate from Apple
  • Xcode command line tools installed

Build steps

  1. git clone
  2. cd restor
  3. pod install
  4. Find your Team Identifer. Manually selecting the correct Team Identifier might be required if you have multiple developer certificates.
    security find-certificate -p -c "Mac Developer" | openssl x509 -inform pem -subject | perl -ne '/OU=(\w+)\// && print $1'
  5. Build with the following command, making sure to insert a valid Team Identifier from the previous step.
    make release TEAM_ID=EQHXZ8M8AV

If the build was successful the last line will contain the path to your compiled


Patches to this library are very much welcome. Please see the CONTRIBUTING file.