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Embedded Linux Projects Using Yocto Project Cookbook by Alex González

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Releasing software

When releasing a product based on the Yocto project, we have to consider that we are building on top of a multitude of different open source projects, each with different licensing requirements.

At the minimum, your embedded product will contain a bootloader (probably U-Boot), the Linux kernel, and a root filesystem with one or more applications. Both U-Boot and the Linux kernel are licensed under the General Public License version 2 (GPLv2). And the root filesystem could contain a variety of programs with different licenses.

All open source licenses allow you to sell a commercial product with a mixture of proprietary and open licenses as long as they are independent and the product complies with all the open source licenses. ...

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