

Hdiutil unmount "/Volumes/OS X Base System/"Īs well as the mounted disks via diskutil and your Terminal: diskutil unmountDisk $(diskutil list | grep "OS X Base System" -B 4 | head -1)ĭiskutil unmountDisk $(diskutil list | grep "OS X Install ESD" -B 4 | head -1)

Unmount both the InstallESD and the sparse image: hdiutil unmount "/Volumes/OS X Install ESD/" to copy the missing original base system files back into the customized InstallESD: cp "/Volumes/OS X Install ESD/BaseSystem."* "/Volumes/OS X Base System/" hdiutil mount "/Applications/Install OS X Yosemite.app/Contents/SharedSupport/InstallESD.dmg" Now we need to mount both the original InstallESD and the customized sparse image that we just generated. Hdiutil convert yosemite.dmg -format UDSP -o yosemite.sparseimage How-to Preparationĭownload OS X Yosemite from the Mac App Store and open the Terminal.app to install iesd, a Ruby tool to customize OS X Install ESD's: sudo gem install iesdīefore we can use the vanilla Yosemite Installer in VirtualBox, we have to customize the InstallESD using iesd first as well as convert it into a sparse image (UDSP format): iesd -i "/Applications/Install OS X Yosemite.app" -o yosemite.dmg -t BaseSystem Legal disclaimer: Make sure to perform the following steps on a regularly purchased Apple computer, running a genuine OS X (host) operating system. It's based on this pastebin which I found via Google, adjusted to work with Yosemite.
INSTALL JAVA ON MAC YOSEMITE HOW TO
The guide below tries to explains how to easily install Mac OS X Yosemite 10.10 in a virtual machine using VirtualBox.
