Created
January 30, 2014 14:39
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An easy script to create Gentoo/Linux installation usb stick.
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#!/bin/sh | |
set -e | |
echo "This is an easy script to create Gentoo/Linux installation usb stick." | |
echo | |
if [ $# -ne 2 ] | |
then | |
echo "usage: $0 /dev/sdx /path/to/gentoo_install_disk.iso" | |
exit 1 | |
fi | |
if [ `whoami` != "root" ] | |
then | |
echo "error: root access required" | |
exit 1 | |
fi | |
DEVICE=$1 | |
TARGET=${DEVICE}1 | |
ISO=$2 | |
LOGFILE=/dev/null | |
MBRBIN=/usr/share/syslinux/mbr.bin | |
echo "* removing all data in $DEVICE..." | |
echo " - deleting MBR..." | |
dd if=/dev/zero of=$DEVICE bs=512 count=1 >$LOGFILE 2>&1 | |
fdisk $DEVICE >$LOGFILE 2>&1 <<_EOF | |
n | |
p | |
t | |
b | |
a | |
1 | |
w | |
_EOF | |
echo " - formatting $TARGET with FAT32..." | |
mkdosfs -F 32 $TARGET >$LOGFILE 2>&1 | |
echo " - installing MBR..." | |
dd if=$MBRBIN of=$DEVICE >$LOGFILE 2>&1 | |
echo "* copying boot data..." | |
echo " - mounting devices..." | |
mkdir -p /mnt/usb | |
mkdir -p /mnt/iso | |
mount -t iso9660 -o loop,ro $ISO /mnt/iso | |
mount -t vfat $TARGET /mnt/usb | |
echo " - preparing data..." | |
cp -r /mnt/iso/* /mnt/usb | |
mv /mnt/usb/isolinux/* /mnt/usb | |
mv /mnt/usb/isolinux.cfg /mnt/usb/syslinux.cfg | |
rm -rf /mnt/usb/isolinux* | |
mv /mnt/usb/memtest86 /mnt/usb/memtest | |
sed -i \ | |
-e "s:cdroot:cdroot slowusb:" \ | |
-e "s:kernel memtest86:kernel memtest:" \ | |
/mnt/usb/syslinux.cfg | |
echo " - writing (This may take a while)..." | |
sync | |
echo "* unmounting devices..." | |
umount /mnt/usb | |
umount /mnt/iso | |
rmdir /mnt/usb | |
rmdir /mnt/iso | |
echo "* finalizing..." | |
syslinux $TARGET | |
echo "DONE!" |
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