Wednesday, December 18, 2013

Easiest method for creating OSX Mavericks USB Installer

Here is the easiest method to create your OSX Mavericks installer:

sudo "/Applications/Install OS X" --volume "/Volumes/Untitled" --applicationpath "/Applications/Install OS X" --nointeraction

If that's what you were looking for, then you really don't need to read any further.  If you're a newcomer and need a little more information, read on:

Before the above command will work for you, you need to plug in your USB stick and format it using Disk Utility.  You'll need a minimum of 8GB, or it will not work.   Partition it and format it using Mac OS Extended (Journaled).   Then run the above command, adjusting the path after --volume to the path to your mounted USB stick (NOT /Volumes/Macintosh HD or whatever your system drive is!).

The second thing you need to do is to download the app through the Mac App Store.  You can do this even if you have already installed OSX Mavericks;  once the installer has downloaded and launched the welcome screen, hit ⌘Q to quit from the actual installer (Or Menu -> Quit).  The files will still be at /Applications.

Once you're done (it took me around 20 minutes for the creation process to complete), plug it into another system and reboot, holding Option to bring up the disk selection.  Select the disk and you should be off to installing OSX Mavericks from USB.

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