#How to make a bootable usb os x sierra install#
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. 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
#How to make a bootable usb os x sierra how to#
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 DiskMaker X (formerly Lion DiskMaker) is an application built with AppleScript that you can use with many versions of OS X to build a bootable USB thumb drive, an external Firewire or Thunderbolt drive from OS X installer program (the one you download from the App Store).As soon as you launch the application, it tries to find the OS X Install program with Spotlight.Then, it proposes to build a.
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