Begin with the TSL 0.2.19 source archive. Edit the file version.sh to set the version to 0.2.20 and the version tag to 02k. Copy the official Linux kernel source tarball linux-5.4.118.tar.xz for Linux 5.4.118 to the system/linux directory. Edit the file system/linux/version.sh to set the version to 5.4.118. Run the script build.sh then the script package.sh. The update file is cd/tslcr02k.tsp .