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5/25/2022

How to convert macOS installer.app to a bootable iso using terminal?

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- You have to follow these steps carefully and copy the terminal commands as it is.
​- The process of converting "install macOS Monterey.app" to a bootable "install macOS Monterey.iso" which is very important as VirtualBox and VMWARE can run only run macOS installation from "iso" images only.

- What are the macOS systems that can be converted to iso images using this method : -
- the newer macOS.
- macOS Monterey    (Download).
- macOS Big Sur        (Download).
- macOS Mojave        (Download).
- macOS Catalina      (Download).
- macOS High Sierra (Download).

- Follow these steps for converting .app to .iso : -
0- you must copy the downloaded macOS.app installer into your desktop.

1- you have to ensure that you have enough disk space for running the full process.

2- Open terminal. using spotlight search type "terminal" and press enter. then start typing the following terminal commands:

3- Command 1: create a dmg container on the desktop of a size (15 BG) named "Monterey.dmg": -
hdiutil create -o ~/Desktop/Monterey -size 15000m -volname Monterey -layout SPUD -fs HFS+J

4- Command 2: mount the Monterey.dmg container into your device: -
hdiutil attach ~/Desktop/Monterey.dmg -noverify -mountpoint /Volumes/Monterey

5- Command 3: Create a bootable macOS Monterey installer into the created dmg container  (N.B. You must have install macOS Monterey.app into your desktop as described before in step 2): - 
sudo ~/Desktop/Install\ macOS\ Monterey.app/Contents/Resources/createinstallmedia --volume /Volumes/Monterey --nointeraction

6- Command 4: detach the created bootable dmg container: -
hdiutil detach /Volumes/Install\ macOS\ Monterey

7- Command 5: Convert dmg to cdr container: -
hdiutil convert ~/Desktop/Monterey.dmg -format UDTO -o ~/Desktop/Monterey.cdr

8- Command 6: convert cdr to the bootable iso image: - 
mv ~/Desktop/Monterey.cdr ~/Desktop/Monterey.iso

NOW, you have created  a bootable Monterey.iso image that can be used with VirtualBox and other virtual machines.

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  • Home
  • Guides & tutorials
    • TechTalk
    • macOS tutorials
    • Homebrew package tutorials
    • Create Bootable MacOS
    • Applications troubleshooting
    • iPhone tutorials
    • virtual machine
  • iPhone
    • 2021 >
      • iPhone 13 Pro Max
      • iPhone 13 Pro
      • iPhone 13
      • iPhone 13 Mini
    • 2020 >
      • iPhone 12 Pro Max
      • iPhone 12 Pro
      • iPhone 12
      • iPhone 12 Mini
      • iPhone SE 2nd
    • 2019
    • 2018
    • 2017
  • Downloads
  • YouTube ➚
  • Request support