title: Blog post: Installing Mavericks as VirtualBox Guest date: 2013-12-14
Recently, I set out to get OS X 10.9 running as VirtualBox Guest, with Mavericks as Host. This should be easy enough, right? Just download the Mavericks Installer from the AppStore, get the Image from inside the App Package, as you would do to get a bootable USB Stick. Done!
It turns out that Apple started using strange Aliases in their Install Image with Mountain Lion. You have to do some moving around to get an ISO you can plug into VirtualBox.
If you got the Mavericks Installer in /Applications, run this script to get a bootable ISO on your Desktop.
#!/bin/sh hdiutil attach /Applications/Install\ OS\ X\ Mavericks.app/Contents/SharedSupport/InstallESD.dmg -noverify -nobrowse -mountpoint /Volumes/install_app hdiutil convert /Volumes/install_app/BaseSystem.dmg -format UDSP -o /tmp/Mavericks hdiutil resize -size 8g /tmp/Mavericks.sparseimage hdiutil attach /tmp/Mavericks.sparseimage -noverify -nobrowse -mountpoint /Volumes/install_build rm /Volumes/install_build/System/Installation/Packages cp -rp /Volumes/install_app/Packages /Volumes/install_build/System/Installation/ hdiutil detach /Volumes/install_app hdiutil detach /Volumes/install_build hdiutil resize -size `hdiutil resize -limits /tmp/Mavericks.sparseimage | tail -n 1 | awk '{ print $1 }'`b /tmp/Mavericks.sparseimage hdiutil convert /tmp/Mavericks.sparseimage -format UDTO -o /tmp/Mavericks rm /tmp/Mavericks.sparseimage mv /tmp/Mavericks.cdr ~/Desktop/Mavericks.iso
Hmm, so searching for Mavericks bootable USB instead of Mavericks in VirtualBox would have brought me to my target much earlier… Who knew? :P