Problems with making a bootable USB Drive on a Mac

Posted by Jason on Ask Ubuntu See other posts from Ask Ubuntu or by Jason
Published on 2012-07-06T03:09:38Z Indexed on 2012/07/06 3:23 UTC
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live-usb

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mac

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apple

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I am following this http://www.ubuntu.com/download/help/create-a-usb-stick-on-mac-osx to create a Bootable USB Drive for me Mac and this is the output I get on step 8.

new-host:~ Jason$ sudo dd if=/Users/Jason/Desktop/ubuntu-12.04-desktop-amd64.dmg of=/dev/rdisk1s2 bs=1m

dd: /dev/rdisk1s2: Invalid argument

691+1 records in

691+0 records out

724566016 bytes transferred in 164.544659 secs (4403461 bytes/sec)

What should I do?

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