Add create_linux_template.sh

create_linux_template.sh

@@ -0,0 +1,50 @@
+# setup
+apt update
+apt-get install bzip2 git vim make gcc libncurses-dev flex bison bc cpio libelf-dev libssl-dev syslinux dosfstools
+
+git clone --depth 1 https://github.com/torvalds/linux.git
+
+cd linux
+
+make menuconfig
+# no change needed, just make sure 64bit is enabled
+
+# check num of cores using nproc
+make -j 4
+
+mkdir /boot-files
+cp arch/x86/boot/bzImage /boot-files/
+cd ..
+
+git clone --depth 1 https://git.busybox.net/busybox
+cd busybox
+
+# static build to keep it minimal
+make menuconfig
+
+make -j 4
+
+mkdir /boot-files/initramfs
+make CONFIG_PREFIX=/boot-files/initramfs install
+
+cd /boot-files/initramfs/
+
+echo -e '#!/bin/sh\n/bin/sh' > init
+chmod +x init
+
+rm linuxrc
+
+find . | cpio -o -H newc > ../init.cpio
+cd ..
+
+dd if=/dev/zero of=boot bs=1M count=50
+
+mkfs -t fat boot
+
+syslinux boot
+
+mkdir m
+mount boot m
+cp bzImage init.cpio m
+
+umount m