OpenEmbedded
OpenEmbedded is a build framework and metadata collection used to create custom Linux distributions for embedded systems. It provides a set of recipes, classes, and configuration files that automate the process of cross-compiling software packages, generating root filesystems, and producing bootable images. It is the foundation for the Yocto Project's build system, offering flexibility and control over embedded Linux development.
Developers should learn OpenEmbedded when building custom, optimized Linux distributions for embedded devices like IoT gadgets, routers, or industrial controllers, as it handles cross-compilation complexities and dependency management. It is essential for projects requiring fine-grained control over package selection, kernel configuration, and system integration, particularly in resource-constrained or specialized hardware environments.