How to flash ubuntucore image to emmc from sdcard

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Installing Ubuntu Core on devices with internal drives

The question came up recently about a good way to install a Ubuntu Core system on devices that have internal drives (like e.g. the Intel NUC) instead of the sdcards that are common on the pi2/pi3. With the pi2/pi3 the usual way is to simply dd the ubuntu-core image to the sdcard and put it in. An easy way to install Ubuntu Core on such devices is to boot a 18.04 live usb stick and then use the go-dd snap to write the image directly from the network: # needs devmode because it may need to write…