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Update README.md

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Ivan Davidov 2016-06-12 14:33:33 +03:00 committed by GitHub
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README.md
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@ -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.