Start by launching Disk Utility on the Mac. Grey DVDs that were included with a Mac at the time of purchase cannot be used to make USB boot drives as they do not include drivers for Macs other than the computer it was shipped with.Ĭreating a Snow Leopard USB Boot Drive Using Disk Utility Note: Before starting this tutorial, ensure that you have a USB drive with at least 8GB of storage as well as a Snow Leopard retail DVD or disk image. However, there is no automatic way to create this drive on your Mac, so I'll show you how to do so in this tutorial. Additionally, some older Macs stopped receiving updates after Snow Leopard, forcing IT departments to continue support.īecause of this, it's important to keep a bootable Snow Leopard install disk around if you have a Snow Leopard machine or manage them. Now you can boot up from your newly bootable disk and either Install OSX10.9 on another device or use the Terminal/Disk Utility or Firmware Password Utilities on another device.Even though OS X Snow Leopard has been around for quite a few years, it remains a favorite for some Mac users with legacy software support. Remove the existing Packages alias link from the newly restored image rm /Volumes/OS\ X\ Base\ System/System/Installation/PackagesĬopy the full OSX Mavericks Packages over to the new image….takes a while cp -R /Volumes/OS\ X\ Install\ ESD/Packages/ /Volumes/OS\ X\ Base\ System/System/Installation/PackagesĪnd there it is! – to eject the new bootable USB OSX Mavericks 10.9 disk ‘cd’ to home and eject cd ~/ hdiutil eject /Volumes/OS\ X\ Base\ System/ This will change ‘ BootDisk‘ to ‘ OS X Base System‘ This puts you back in the Finder in front of the newly mounted InstallESD.dmg, go back to Terminal and clone the BaseSystem.dmg to the remote USB drive sudo asr restore -source /Volumes/OS\ X\ Install\ ESD/BaseSystem.dmg -target /Volumes/BootDisk/ -erase -noverify
Swap to the newly mounted image cd /Volumes/InstallESD.dmg Mount the InstallESD.dmg buried deep in the app hdiutil attach /Applications/Install\ OS\ X\ Mavericks.app/Contents/SharedSupport/InstallESD.dmg -noverify Just for the crazy ones……after Mavericks is downloaded….and again this assumes you external disk is named BootDisk If you want all to return back to normal and hide the system files run a couple more commands in the Terminal defaults write AppleShowAllFiles FALSE killall Finder How to create the OSX 10.9 Mavericks Bootable Drive just via Terminal
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