diff --git a/README.md b/README.md index 6c5bd9ad6..599281cb5 100644 --- a/README.md +++ b/README.md @@ -7,29 +7,18 @@ The script below uses **Linux kernel 4.6.2** and **BusyBox 1.24.2**. The source After that simply run the below script. It doesn't require root privileges. In the end you should have a bootable ISO image named `minimal_linux_live.iso` in the same directory where you executed the script. - rm -rf work - mkdir work - cd work - rm -f linux-4.6.2.tar.xz wget http://kernel.org/pub/linux/kernel/v4.x/linux-4.6.2.tar.xz - rm -rf kernel - mkdir kernel - tar -xvf linux-4.6.2.tar.xz -C kernel - cd kernel/linux-4.6.2 + tar -xvf linux-4.6.2.tar.xz + cd linux-4.6.2 make clean defconfig vmlinux - cd ../.. - rm -f busybox-1.24.2.tar.bz2 + cd .. wget http://busybox.net/downloads/busybox-1.24.2.tar.bz2 - rm -rf busybox - mkdir busybox - tar -xvf busybox-1.24.2.tar.bz2 -C busybox - cd busybox/busybox-1.24.2 + tar -xvf busybox-1.24.2.tar.bz2 + cd busybox-1.24.2 make clean defconfig sed -i "s/.*CONFIG_STATIC.*/CONFIG_STATIC=y/" .config make busybox install - rm -rf ../../rootfs - cp -R _install ../../rootfs - cd ../../rootfs + cd _install rm -f linuxrc mkdir dev proc sys echo '#!/bin/sh' > init @@ -39,13 +28,10 @@ After that simply run the below script. It doesn't require root privileges. In t echo 'mount -t sysfs none /sys' >> init echo 'setsid cttyhack /bin/sh' >> init chmod +x init - rm -f ../rootfs.cpio.gz - cd ../rootfs - find . | cpio -H newc -o | gzip > ../rootfs.cpio.gz - rm -f ../../minimal_linux_live.iso - cd ../kernel/linux-4.6.2 - make isoimage FDINITRD=../../rootfs.cpio.gz - cp arch/x86/boot/image.iso ../../../minimal_linux_live.iso - cd ../../.. + find . | cpio -H newc -o | gzip > ../../rootfs.cpio.gz + cd ../../linux-4.6.2 + make isoimage FDINITRD=../rootfs.cpio.gz + cp arch/x86/boot/image.iso ../minimal_linux_live.iso + cd .. Note that this produces very small live Linux OS with working shell only. The network support has been implemented properly in the [Minimal Linux Live](http://github.com/ivandavidov/minimal) project which is extensively documented and more feature rich, yet still produces very small live Linux ISO image.