Overlays provide a way to customize Talos Linux boot image. Overlays hook into the Talos install steps and can be used to provide additional boot assets (in the case of single board computers), extra kernel arguments or some custom configuration that is not part of the default Talos installation and specific to a particular overlay. Overlays v/s Extensions Overlays are similar to extensions, but they are used to customize the installation process, while extensions are used to customize the ro...