piboy pi backup

backup.sh

#!/bin/bash

output=$1
sd="/dev/mmcblk0"

if [ -z "$output" ]
  then
    echo "No output path specified."
    echo "Example: backup.sh /media/usb1/piboy.img.gz"
    exit
fi

sudo dd bs=4M if=$sd status=progress | gzip > $output

# Restore Command https://www.raspberrypi.org/documentation/linux/filesystem/backup.md
# gunzip --stdout PiOS.img.gz | sudo dd bs=4M of=/dev/sdb status=progress