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sjonnet/create-install-media.sh

Created December 23, 2019 16:24
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create-install-media.sh
hdiutil create -o /tmp/macOS -size 8900m -layout SPUD -fs HFS+J
hdiutil attach /tmp/Catalina.dmg -noverify -mountpoint /Volumes/Catalina
sudo /Applications/Install\ macOS\ Catalina.app/Contents/Resources/createinstallmedia --volume /Volumes/Catalina --nointeraction
hdiutil convert /tmp/Catalina.dmg -format UDTO -o ~/Downloads/Catalina
mv ~/Downloads/Catalina.cdr ~/Downloads/Catalina.iso
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