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shazron/create-macos-monterey.sh

Created June 30, 2022 12:20
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Create a macOS Monterey .iso file from the .app installer
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create-macos-monterey.sh
# adapted from https://osxdaily.com/2020/07/20/how-convert-macos-installer-iso/
hdiutil create -o /tmp/Monterey -size 13700m -volname Monterey -layout SPUD -fs HFS+J
hdiutil attach /tmp/Monterey.dmg -noverify -mountpoint /Volumes/Monterey
sudo /Applications/Install\ macOS\ Monterey.app/Contents/Resources/createinstallmedia --volume /Volumes/Monterey --nointeraction
hdiutil detach /volumes/Install\ macOS\ Monterey
hdiutil convert /tmp/Monterey.dmg -format UDTO -o ~/Desktop/Monterey.cdr
mv ~/Desktop/Monterey.cdr ~/Desktop/Monterey.iso
rm /tmp/Monterey.dmg
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