A principal dificuldade aqui é que os Macs usam UEFI em vez do BIOS. Então, de acordo com esta página , os seguintes passos devem funcionar (eu não tentei isso sozinho, porque eu não tenho um mac):
- Get the ISO-2-USB EFI-Booter for Mac 0.01 beta and a recent version of Ubuntu Desktop Edition 64bit.
- Format a USB drive to provide a single FAT32 partition featuring MBR.
- Create the following directories on your USB drive: /efi and /efi/boot
- Copy the bootX64.efi from “ISO-2-USB EFI-Booter for Mac 0.01 beta” into /efi/boot on your USB Drive.
- Copy the Ubuntu image into /efi/boot/ on the USB Drive, too and rename it to “boot.iso”.
- You should have 2 files on your USB drive now: bootX64.efi and boot.iso – both in /efi/boot.
You’re ready to reboot: During the startup of your Mac hold Alt/Option. You should see “EFI Boot” which has a nice little USB Drive Symbol on it in the appearing boot menu. Boot from your USB Drive by clicking on the little arrow below it.
Good Luck!
Ubuntu should be booting now…