Created
April 13, 2014 23:57
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Creating an OS X 10.9.X Mavericks bootable installation on a USB flash drive.
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| Download a copy of Mavericks from the Apple Store. It will save in your /Applications directory and will open once the download is complete. Just quit the installation. If you run the installer it will delete itself so move it to keep a copy. | |
| Format an 8G+ (needs about 6G of space) USB stick with the 'Mac OS X Extended Journaled' format and leave it named 'Untitled' but be sure that you do not have another volume named "Untitled" or the next step could erase something! | |
| Open the Terminal app and run the following command. This copies the resources over to the USB stick and makes it a bootable drive. Check the path, if you moved the file correct the paths. | |
| sudo /Applications/Install\ OS\ X\ Mavericks.app/Contents/Resources/createinstallmedia --volume /Volumes/Untitled --applicationpath /Applications/Install\ OS\ X\ Mavericks.app --nointeraction | |
| You should see something like the following, the "Copying installer files..." will take about 20 minutes with not progress indication. Just wait for it. | |
| Erasing Disk: 0%... 10%... 20%... 100%... | |
| Copying installer files to disk... | |
| Copy complete. | |
| Making disk bootable... | |
| Copying boot files... | |
| Copy complete. | |
| Done. | |
| You can then boot up from the USB by holding down the option key, then install the GM from the USB. |
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