Install MacOS in Virtualbox (Mac)

install_mac_virtualbox.txt

# FULL INSTRUCTIONS IN:
http://www.starkandwayne.com/blog/running-a-mac-vm-on-a-mac-using-virtualbox/

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# make sure you have iesd installed
gem install iesd

# create fixed image
iesd -i "/Applications/Install OS X Yosemite.app" -o yosemite.dmg -t BaseSystem
hdiutil convert yosemite.dmg -format UDSP -o yosemite.sparseimage
hdiutil mount "/Applications/Install OS X Yosemite.app/Contents/SharedSupport/InstallESD.dmg"
hdiutil mount yosemite.sparseimage
cp "/Volumes/OS X Install ESD/BaseSystem."* "/Volumes/OS X Base System/"
hdiutil unmount "/Volumes/OS X Install ESD/"
hdiutil unmount "/Volumes/OS X Base System/"

# you may use Disk Utils to unmount and remove devices
diskutil unmountDisk $(diskutil list | grep "OS X Base System" -B 4 | head -1)
diskutil unmountDisk $(diskutil list | grep "OS X Install ESD" -B 4 | head -1)

# convert fixed image to UDZO compressed image format
hdiutil convert yosemite.sparseimage -format UDZO -o yosemitevagrantbox.dmg