Creating a bootable 10.10 Yosemite volume

Apple, Tools

With the release of Mac OS 10.10 Yosemite earlier this week, I wanted to share a fast and easy way to create a bootable volume from which you can install Yosemite (that can be a harddrive or a usb key).

  1. Download Yosemite from the Mac App Store.
  2. Plug in your external disk/volume and make sure it’s either empty or can be formatted in the next step.
  3. Open and enter the following command:
    sudo /Applications/Install OS X --volume /Volumes/*your volume here*/ --applicationpath /Applications/Install OS X

    This will convert your volume install a bootable installer based on the application path you provided, which is the Yosemite “app” in this case

  4. Enter your administrator password,
  5. You’ll be prompted to confirm that the volume can be erase, press ‘y’,
  6. And done.


Now connect the drive to machine you want to upgrade/reinstall, boot it up while holding the ‘c’ key and select the “Install 10.10. Yosemite” volume.


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