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After installing ubuntu to a 32 GB. flash drive from a live usb, i attempted to boot the flash drive on my mac using target disk mode, but the mac cannot find it. After this, i booted my mac from the live usb, and i looked at the partitions on the flash drive, and everything was the way i had set it up. i also looked at the flash drive using mac disk utility, and everything looked fine. I was wondering why my mac cannot see the flash drive in target disk mode?

Edit:

system info:

Mac = macbook air 11" (2013 model)

OS X = 10.9 Mavericks

Ubuntu OS = 14.04.1 LTS

External Hard Drive = Sandisk Cruzer 32 GB

user3803057
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1 Answers1

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This is tricky, and it took me a good long while to solve. As you found, it's not a simple matter of holding down the option key, as many will tell you.

After the installation (with the EFI partition) the way I found to get it working was using rEFInd as the boot loader, and fiddling with the boot record.

For more information, I asked, and answered, this question here: The answer contains a recipe to get it working: How to boot Ubuntu on a mac from external USB storage?

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Coljac
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