03-28-2017, 11:33 AM
Usually the Ubuntu image is using two partitions, one for the boot files and one for your Linux root file system containing the actual OS. So if you write the image to an SD-card you should see two partitions. You can move the second partition of the SD-card to an external drive/USB-Stick/Network, but you have to point the boot-loader to your new location. This is done by editing uEnv.txt on the boot partition.
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