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Linux IoT Development: Adjusting from a Binary OS to the Yocto Project Workflow

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In embedded Linux development, there are two approaches when it comes to what operating system to run on your device. You either build your own distribution (with tools such as Yocto/OpenEmbedded-Core, Buildroot and so on), or you use a binary distribution where Debian and derivatives are common.

It's common to start out with a binary distribution. This is a natural approach, because it's a familiar environment for most people who have used Linux on a PC. All the commodities are in place, and someone else has created the distribution image for you to download. There normally are custom vendor images for specific hardware that contain optimizations to make it easy to get started to utilize your hardware fully.

Any package imaginable is an apt install command away. This, of course, makes it suitable for prototyping and evaluation, giving you a head start in developing your application and your product. In some cases, you even might ship pre-series devices using this setup to evaluate your idea and product further. This is referred to as the "golden image" approach and involves the following steps...

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