Create a bootable SDHC from a Mac

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Download alpine rpi file

Prepare SDHC Insert SDHC card in Mac (if new, it's likely to be formated FAT32) Open Terminal (Accessories > Terminal) Run the following: df -h (look for the name of your sdhc device, something like /dev/disk2s1 it's critical you find the correct name, you can loose your hard drive data if you get it wrong) sudo diskutil umount /dev/disk2s1 sudo fdisk -e /dev/disk2s1 (ignore fdisk error: could not open MBR file /usr/standalone/i386/boot0: No such file or directory) p f 1 write exit sudo diskutil mount /dev/disk2s1 open alpine rpi tar.gz file and expand into a new folder copy contents of that new folder to card click eject card in Finder