saad/minimal-linux-script
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Now using the latest available software versions.

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This commit is contained in:
Ivan Davidov 2018-12-29 17:29:16 +02:00
parent 6e1ebd5988
commit c1e2c37fcf
2 changed files with 17 additions and 17 deletions
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16
README.md
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@ -4,20 +4,20 @@ One script which generates fully functional live Linux ISO image with minimal ef
The script below uses **Linux kernel 4.7.6**, **BusyBox 1.24.2** and **Syslinux 6.03**. The source bundles are downloaded and compiled automatically. If you are using [Ubuntu](http://ubuntu.com) or [Linux Mint](http://linuxmint.com), you should be able to resolve all build dependencies by executing the following command:
sudo apt-get install wget bc build-essential gawk xorriso
sudo apt install wget make gawk gcc bc bison flex xorriso libelf-dev libssl-dev
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.
wget http://kernel.org/pub/linux/kernel/v4.x/linux-4.7.6.tar.xz
wget http://busybox.net/downloads/busybox-1.24.2.tar.bz2
wget http://kernel.org/pub/linux/kernel/v4.x/linux-4.19.12.tar.xz
wget http://busybox.net/downloads/busybox-1.29.3.tar.bz2
wget http://kernel.org/pub/linux/utils/boot/syslinux/syslinux-6.03.tar.xz
mkdir isoimage
tar -xvf linux-4.7.6.tar.xz
tar -xvf busybox-1.24.2.tar.bz2
tar -xvf linux-4.19.12.tar.xz
tar -xvf busybox-1.29.3.tar.bz2
tar -xvf syslinux-6.03.tar.xz
cd busybox-1.24.2
cd busybox-1.29.3
make distclean defconfig
sed -i "s/.*CONFIG_STATIC.*/CONFIG_STATIC=y/" .config
sed -i "s|.*CONFIG_STATIC.*|CONFIG_STATIC=y|" .config
make busybox install
cd _install
rm -f linuxrc
@ -30,7 +30,7 @@ After that simply run the below script. It doesn't require root privileges. In t
echo 'setsid cttyhack /bin/sh' >> init
chmod +x init
find . | cpio -R root:root -H newc -o | gzip > ../../isoimage/rootfs.gz
cd ../../linux-4.7.6
cd ../../linux-4.19.12
make mrproper defconfig bzImage
cp arch/x86/boot/bzImage ../isoimage/kernel.gz
cd ../isoimage

18
minimal.sh
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@ -1,16 +1,16 @@
#!/bin/sh
set -ex
KERNEL_VERSION=4.12.3
BUSYBOX_VERSION=1.27.1
KERNEL_VERSION=4.19.12
BUSYBOX_VERSION=1.29.3
SYSLINUX_VERSION=6.03
wget -O kernel.tar.xz http://kernel.org/pub/linux/kernel/v4.x/linux-$KERNEL_VERSION.tar.xz
wget -O busybox.tar.bz2 http://busybox.net/downloads/busybox-$BUSYBOX_VERSION.tar.bz2
wget -O syslinux.tar.xz http://kernel.org/pub/linux/utils/boot/syslinux/syslinux-$SYSLINUX_VERSION.tar.xz
wget -O kernel.tar.xz http://kernel.org/pub/linux/kernel/v4.x/linux-${KERNEL_VERSION}.tar.xz
wget -O busybox.tar.bz2 http://busybox.net/downloads/busybox-${BUSYBOX_VERSION}.tar.bz2
wget -O syslinux.tar.xz http://kernel.org/pub/linux/utils/boot/syslinux/syslinux-${SYSLINUX_VERSION}.tar.xz
tar -xvf kernel.tar.xz
tar -xvf busybox.tar.bz2
tar -xvf syslinux.tar.xz
mkdir isoimage
cd busybox-$BUSYBOX_VERSION
cd busybox-${BUSYBOX_VERSION}
make distclean defconfig
sed -i "s/.*CONFIG_STATIC.*/CONFIG_STATIC=y/" .config
make busybox install
@ -25,12 +25,12 @@ echo 'mount -t sysfs none /sys' >> init
echo 'setsid cttyhack /bin/sh' >> init
chmod +x init
find . | cpio -R root:root -H newc -o | gzip > ../../isoimage/rootfs.gz
cd ../../linux-$KERNEL_VERSION
cd ../../linux-${KERNEL_VERSION}
make mrproper defconfig bzImage
cp arch/x86/boot/bzImage ../isoimage/kernel.gz
cd ../isoimage
cp ../syslinux-$SYSLINUX_VERSION/bios/core/isolinux.bin .
cp ../syslinux-$SYSLINUX_VERSION/bios/com32/elflink/ldlinux/ldlinux.c32 .
cp ../syslinux-${SYSLINUX_VERSION}/bios/core/isolinux.bin .
cp ../syslinux-${SYSLINUX_VERSION}/bios/com32/elflink/ldlinux/ldlinux.c32 .
echo 'default kernel.gz initrd=rootfs.gz' > ./isolinux.cfg
xorriso \
-as mkisofs \