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init

これが 最終の nitrd.gz を 展開して出来た initrd の 中の init です。

initrd の 中の /sbin/init ではない

#!/bin/sh

export PATH=/bin

mount -t proc proc /proc
mount -t sysfs sys /sys

# squashfs.ko needs xz_dec.ko
for i in aufs squashfs ; do
 insmod /lib/modules/$i.ko
done

# nls_euc-jp.ko needs vfat.ko
for i in isofs nls_iso8859-1 nls_ascii nls_cp932 cdrom loop sr_mod sg \
    fat vfat nls_euc-jp ; do
  insmod /lib/modules/$i.ko
done

# for keyboard operation
for i in hid usbhid hid-generic ; do
  insmod /lib/modules/$i.ko
done

mount UUID=cd4b4e85-b0f7-4652-a787-7594c06c727d /cdrom 2> /dev/null
CD_DEV=UUID=cd4b4e85-b0f7-4652-a787-7594c06c727d

echo "CD_DEV=UUID=cd4b4e85-b0f7-4652-a787-7594c06c727d "
sleep 10

echo "`df`"
echo "mount  dev Where ? "
sleep 10

# mount squashfs'ed rootfs image into /loop
losetup /dev/loop0 /cdrom/isolinux/rootimg.squash
mount -t squashfs /cdrom/isolinux/rootimg.squash /loop
mount -t tmpfs none /loop/tmp
for i in var bin etc lib run usr boot home sbin root opt srv misc net \
  install ; do
  mkdir -p /loop/tmp/ow/$i
  mount -t aufs -o br:/loop/tmp/ow/$i:/loop/$i none /loop/$i
done
mkdir -p /loop/dev
mount -t tmpfs tmpfs /loop/dev
cp -a /dev/console /loop/dev

echo "CD_DEV: $CD_DEV"
echo $CD_DEV > /loop/etc/cd_dev
mount --bind /proc /loop/proc
mount --bind /sys /loop/sys

echo "pivot_root to /loop"
sleep 5
cd /loop
pivot_root . loop
exec chroot . /loop/sbin/init

にゃんたろう 拝！

2014年 3月 23日 日曜日 22:00:01 JST 作成

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