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Sign upMar 27, 2018 Set the HighSierra.iso image created in Getting Started as a disk in the VM's optical drive. Create a new virtual hard disk. Make sure that you do not set the new virtual hard drive as an SSD, otherwise the High Sierra installer will format the drive as APFS, which is not yet recognized by VirtualBox's EFI BIOS and you will be unable to boot.
Branch:master
| hdiutil attach /Applications/Install macOS High Sierra.app/Contents/SharedSupport/InstallESD.dmg -noverify -mountpoint /Volumes/highsierra |
| hdiutil create -o /tmp/HighSierraBase.cdr -size 7316m -layout SPUD -fs HFS+J |
| hdiutil attach /tmp/HighSierraBase.cdr.dmg -noverify -mountpoint /Volumes/install_build |
| asr restore -source /Applications/Install macOS High Sierra.app/Contents/SharedSupport/BaseSystem.dmg -target /Volumes/install_build -noprompt -noverify -erase |
| cp -R /Volumes/highsierra/Packages/* /Volumes/OS X Base System/System/Installation |
| hdiutil detach /Volumes/OS X Base System/ |
| hdiutil detach /Volumes/highsierra/ |
| mv /tmp/HighSierraBase.cdr.dmg /tmp/BaseSystem.dmg |
| # Restore the 10.13 Installer's BaseSystem.dmg into file system and place custom BaseSystem.dmg into the root |
| hdiutil create -o /tmp/HighSierra.cdr -size 8965m -layout SPUD -fs HFS+J |
| hdiutil attach /tmp/HighSierra.cdr.dmg -noverify -mountpoint /Volumes/install_build |
| asr restore -source /Applications/Install macOS High Sierra.app/Contents/SharedSupport/BaseSystem.dmg -target /Volumes/install_build -noprompt -noverify -erase |
| cp /tmp/BaseSystem.dmg /Volumes/OS X Base System |
| hdiutil detach /Volumes/OS X Base System/ |
| hdiutil convert /tmp/HighSierra.cdr.dmg -format UDTO -o /tmp/HighSierra.iso |
| mv /tmp/HighSierra.iso.cdr ~/Desktop/HighSierra.iso |
| rm /tmp/HighSierra.cdr.dmg |
Hdiutil Convert Tmp Highsierra.dmg Udto Desktop High Sierra Free
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Hdiutil Convert Tmp Highsierra.dmg Udto Desktop High Sierra Mac
Oct 04, 2017 hdiutil convert /tmp/HighSierra.cdr.dmg -format UDTO -o /tmp/HighSierra.iso mv /tmp/HighSierra.iso.cdr /Desktop/HighSierra.iso rm /tmp/HighSierra.cdr.dmg rm /tmp/BaseSystem.dmg Then I burnt it to a bluray (couldn’t fit it on DL DVD because it is over 9gb!) The bluray starts to boot, but then just hangs. I think it’s a coaster now. Jan 24, 2018 At for WINDOWS USERS, However, you are still able to download MacOS High Sierra.DMG using the following direct download link from our server without Apple Store. Download High MacOS.DMG, ISO without Apple Store. The following MacOS High Sierra Official – InstallESD.dmg file was downloaded from App store then uploaded by MacDrug. Jan 24, 2020 In today’s video, I will show you how to create a Mac OS High Sierra ISO file. It is useful to have around if you do not want to re-download the Mac OS High Sierra installer from the internet.