Now we can continue in accordance with the instructions above (but, if you are using the OS X dd, use /dev/rdisk instead of /dev/disk, and use bs=1m. dev/disk1) and unmount the partitions on the device (i.e., /dev/disk1s1) while keeping the device proper (i.e., /dev/disk1): diskutil unmountDisk /dev/disk1 First of all insert your usb device, OS X will automount it, and in Terminal.app run:įigure out what your USB device is called with mount or sudo dmesg | tail (e.g. To be able to use dd on your USB device on a Mac you have to do some special maneuvers.
First in order to create a bootable USB on mac for Ubuntu you should follow these instructions I took from the Arch Wiki:
