HackMD
Raspberry Pi: Back up, Shrink, and Recovery
Back up
sudo umount /dev/sdX
sudo dd if=/dev/sdX of=backup.img bs=4M status=progress
Shrink
- Install PiShrink
wget https://raw.githubusercontent.com/Drewsif/PiShrink/master/pishrink.sh
chmod +x pishrink.sh
sudo mv pishrink.sh /usr/local/bin
- Run PiShrink
sudo pishrink.sh backup.img
Recovery
sudo umount /dev/sdX
sudo dd if=backup.img of=/dev/sdX bs=4M conv=fsync status=progress
