The contents of the build/tmp/deploy/ipk/mtcdt directory goes in this directory. Remember to run bitbake package-index, to create the package index for opkg. The package index is Package.gz. For a full kernel update, the files that are needed are: All kernel-module-*.ipk files. mts-io_*.ipk file. kernel_*.ipk file. kernel-modules_*.ipk file. All Package* files. Do not install kernel-vmlinux* Do not install kernel-dev* Do not install kernel-firmware* Do not install kernel-image*