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Possible Duplicate:
How do I get my Mac to boot from an Ubuntu USB key?

I know this has been discussed over and over but I still cannot run Ubuntu on a USB stick.

Here's the step I followed:

1. I downloaded Ubuntu 12.10 (ubuntu-12.10-desktop-i386.iso) from http://www.ubuntu.com/download/desktop which I renamed 'ubuntu.iso'. I bought my Mac mid-2010, it has an Intel processor.

2. I formated my 16GB USB stick with HFS+ File System following this tutorial: http://www.switchingtomac.com/tutorials/how-to-format-a-drive-or-partition-with-the-hfs-file-system

3. I opened a terminal and typed: hdiutil convert -format UDRW -o ~/Downloads/ubuntu.img ~/Downloads/ubuntu.iso

It created ubuntu.iso.dmg

4. I ran 'diskutil list' and identified the device node assigned to the USB.

5. I unmounted it: diskutil unmountDisk /dev/disk2

6. Then, I entered the command: sudo dd if=~/Downloads/ubuntu.img.dmg of=/dev/rdisk2 bs=1m. It seemed to work. A Mac message poped up saying that the system doesn't recognized the disk, I pressed 'ignore'.

7. I ejected the USB using diskutil eject /dev/disk2, then removed the USB.

8. I rebooted the computer, plugged the USB key, pressed ALT.I could see my Macintosh partition and my Windows partition, but couldn't see my USB stick.

Any help will be very appreciated :)

  • Victor
Community
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user109513
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1 Answers1

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What I see here is several unnecessary and complicated steps. All you need to do is format the flash drive using the FAT32 file system (it is compatible with all systems and so will always work) and then use UNETBOOTIN or a similar utility to place the iso file onto the flash drive. Also, if you're running Mountain Lion on an Intel processor, then you should be able to use the 64-bit version of Ubuntu (link takes you to download page), which should give you some small performance increases. Then just boot from the flash drive in your BIOS boot menu and from there the live USB session should guide you through trying and/or installing Ubuntu.

Josh
  • 718