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Raw commands for copying an Ubilinux image to an SD card.
# connect an SD card and mount it. Assuming Arduino expansion board. Also, mount the / partition into the rootcopy folder.
mkdir /home/sdcard
mkdir /home/rootcopy
mkdir /home/sdcard/image
mount /dev/mmcblk0p8 /home/rootcopy
mount /dev/mmcblk1p1 /home/sdcard
# copy the operating system to an empty ext4 image
dd if=/dev/zero of=/home/sdcard/edison-image-edison.ext4 count=1500 bs=1M iflag=fullblock
mkfs.ext4 /home/sdcard/edison-image-edison.ext4
mount /home/sdcard/edison-image-edison.ext4 /home/sdcard/image
cp -r /home/rootcopy/* /home/sdcard/image/
#unmount and cleanup
umount /home/sdcard/image
rm -r /home/sdcard/image
umount /home/sdcard
umount /home/rootcopy
rm -r /home/sdcard
rm -r /home/rootcopy
# thanks to Nick Chase for an updated dd command and checking through everything.
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