FROM ubuntu:24.04 RUN apt update && apt install -y build-essential flex bc bison libelf-dev elfutils libssl-dev wget RUN wget https://cdn.kernel.org/pub/linux/kernel/v4.x/linux-4.19.322.tar.xz -O kernel.tar.xz RUN tar -xf kernel.tar.xz RUN rm -f kernel.tar.xz RUN /bin/bash -c "mv linux-* linux" WORKDIR /linux RUN make defconfig RUN make -j$(nproc)