shell脚本实现系统裁剪
#!/bin/bash#
read -p "请选择要分区的磁盘:（默认/dev/hda） " DISK
[ -z $DISK ] && DISK=/dev/hda
echo $DISK
#分区
echo '
n
p
1
+90M
n
p
2
+300M
w' | fdisk $DISK
partprobe $DISK
sync
sync
sync
sleep 3
#格式化
mkfs.ext3 ${DISK}1 &>/dev/null
mkfs.ext3 ${DISK}2 &>/dev/null
echo "Formating ${DISK}1 ${DISK}2 finished"
mkdir /mnt/boot
mkdir /mnt/sysroot
mount ${DISK}1 /mnt/boot
mount ${DISK}2 /mnt/sysroot
for DIR in `ls /` ;do mkdir /mnt/sysroot/$DIR;done
grub-install --root-directory=/mnt $DISK
cp/boot/vmlinuz* /mnt/boot/vmlinuz
mkdir -pv /tmp/test
cd /tmp/test
zcat /boot/init*.img | cpio -id
cat init | sed -e '/resume.*$/d' -i init
cat init | sed -e 's/mkrootdev.*$/mkrootdev -t ext3 -o defaults,ro hda2/' -i init
find . | cpio -H newc --quiet -o | gzip -9 >/mnt/boot/initrd.gz
cat > /mnt/boot/grub/grub.conf/mnt/sysroot/etc/rc.d/rc.sysinit
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