You can select more than this capacity but less than this is not recommended After the click on Next button, you’ll be asked for drive capacity which I recommend you to choose 25GB because it is enough for OS.I recommend you “ Fixed size” because it is faster but it takes more space The type of the hard disk must be VDI and click on Two options will be in front of you about the size of the drive:.Finally, we have got bootable Sierra ISO file.Hdiutil convert /tmp/ -format UDTO -o /tmp/Sierra.iso hdiutil detach /Volumes/OS\ X\ Base\ System.Now, Unmount the two images with following commands./Volumes/install_app/BaseSystem.dmg /Volumes/OS\ X\ Base\ System/BaseSystem.dmg./Volumes/install_app/BaseSystem.chunklist /Volumes/OS\ X\ Base\ System/BaseSystem.chunklist3.cp -rp /Volumes/install_app/Packages /Volumes/OS\ X\ Base\ System/System/Installation/ cp -rp.You have to copy some more files that are needed.Rm /Volumes/OS\ X\ Base\ System/System/Installation/Packages When you erase some unnecessary files from newly restored derive, you will see the name of your destination mount point which will be “OS\ X\ Base\ System/System,”.Now move to restore BaseSystem.dmg from the mounted installer over to a mounted imageĪsr restore -source /Volumes/install_app/BaseSystem.dmg -target /Volumes/install_build -noprompt -noverify -erase.Hdiutil attach /tmp/ -noverify -nobrowse -mountpoint /Volumes/install_build Mount your blank image with the help of the following command.Hdiutil create -o /tmp/Sierra.cdr -size 7316m -layout SPUD -fs HFS+J To create the blank disk image, run the following command.This will increase the bootable section of the installer which are downloaded as a virtual disk.Hdiutil attach /Applications/Install\ macOS\ Sierra.app/Contents/SharedSupport/InstallESD.dmg -noverify -nobrowse -mountpoint /Volumes/install_app Paste the following command in Terminal and tap on Enter.Go to Application > Utilities to get Terminal which can be used to convert the files into ISO files.Do not upgrade the Mac just you need the downloaded files.After completing the process of downloading, the installer will install it in PC.Go to the Mac App Store and Search for Sierra.This ISO file must be loaded to the Virtual box of the PC.
Step # 1: Creating a macOS Sierra ISO fileįirst of all, we need to create an ISO file of macOS Sierra’s Installer. If the above links are not working for mac os VirtualBox image download, then you have to create mac os high sierra VirtualBox image with a slight effort below.
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