Some notes on creating an image from a Raspberry Pi SD card and restoring it

on RaspberryPi, CheatSheet

List all mounted devices:

diskutil list

Extract the information which diskX is the one of the SD card.

Unmount device:

diskutil unmountDisk /dev/diskX

Create Image:

sudo dd if=/dev/diskX of=/Users/…​/NameOfImage.img bs=1m

Restore image to device:

sudo dd bs=1m if=/Users/…​/NameOfImage.img of=/dev/diskX

Compress image:

gzip -fk /Users/…​/NameOfImage.img