Tool to shrink and backup a Raspbian image
-
Create a custom Raspbian image
-
Insert the SD card into your computer
-
Run
resize.sh
on Linux orresize-mac.sh
on MacFirst, the rootfs partition will be resized down to a minimum size, then it will ask if you want to back up the image. If you want to backup the image, continue and provide a filename.
You now have your shrunk-down image saved on your computer in
~backups
.You can share this image with others. When they boot it they will need to expand the filesystem using
raspi-config
.