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I have a bootable disk image file that I'd like to write onto an sd-card. However, I only have a Windows 10 machine available - it has the Windows Subsystem for Linux already installed, Ubuntu runs, and dd is available.

I'd like to do sudo dd if=image.img of=/dev/my-sd-card, however the sd-card device does not appear in /dev.

Any ideas?

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    I don't believe WSL exposes direct device access like that. It's all a simulation.
    – Michael Homer
    Oct 24, 2018 at 20:00

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I like to use Rufus when performing this type of operation on a Windows machine. This program is great for creating bootable media, particularly when using Linux images. Also, the "DD" function works really well.

This software is free and open source.

If you insist on using your Ubuntu subsystem, type the command "tail -f /var/log/syslog" or "dmesg -w" then connect the mmc. This will display where it has been made available in userspace, and will be a good troubleshooting step should nothing happen. You may not have these commands available depending on how Ubuntu is configured.

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If you're fine using a GUI tool, you could use etcher: https://etcher.io/

A free, open-source, and cross-platform (ie. native Windows build) image burning tool that can burn images to SD cards and USB devices.

Very simple to use, first download it for Windows (the option is there for a portable exe if you prefer it.) enter image description here

Install and run the software, then choose your image file enter image description here

enter image description here

Select your USB device enter image description here enter image description here

Click "Flash!", and then wait. enter image description here

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  • Aren't those are Mac images and icons?
    – Rui F Ribeiro
    Oct 24, 2018 at 20:35
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    wow, since when should a simple single-function tool be 270+MB, and for the portable version!
    – Hannah Vernon
    Oct 25, 2018 at 14:11
  • @RuiFRibeiro Some parts of the UI, yes, but the the tool is for Windows as well, and the only difference is the UI. The part where you choose an image is the same process as on Mac, or even Linux.
    – thatpix3l
    Oct 25, 2018 at 17:01
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    @MaxVernon I know, I know, but it's too much for me to remember "sudo dd bs=1M if=my_iso_file of=/dev/rdisk4s2" when I repeatedly burn ISO images for my Raspberry Pi
    – thatpix3l
    Oct 25, 2018 at 17:03

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