initrd.buffalo を見る

initrd.buffalo の展開

[root@LS410D06E ~]# dd if=/boot/initrd.buffalo of=/tmp/initrd.gz bs=64 skip=1
185731+1 records in
185731+1 records out
[root@LS410D06E ~]# gunzip /tmp/initrd.gz
[root@LS410D06E ~]# 

initrd の中を見る

[root@LS410D06E ~]# mkdir /tmp/root
[root@LS410D06E ~]# mount -o loop /tmp/initrd /tmp/root
mount: mounting
                 on /tmp/root failed: Invalid argument
[root@LS410D06E ~]#

新しいトラップを仕掛けられた？？

どうなっている？？

[root@LS410D06E ~]# file /tmp/initrd
/tmp/initrd: ASCII cpio archive (SVR4 with no CRC)
[root@LS410D06E ~]#

cpio archive の中身

[root@LS410D06E ~]# cat /tmp/initrd | cpio -t
.
usr
usr/lib
usr/lib/libreadline.so.6.2
usr/lib/libstdc++.so.6.0.16-gdb.py
usr/lib/libkmod.so.2
	:
	:

展開してみる

[root@LS410D06E ~]# cat /tmp/initrd | cpio -id
52829 blocks
[root@LS410D06E ~]#

linuxrc は

[root@LS410D06E ~]# ls -l
total 84
drwxr-xr-x    2 root     root          4096 Aug  7 23:30 bin/
drwxr-xr-x    2 root     root          4096 Aug  7 23:30 debugtool/
drwxr-xr-x    4 root     root          4096 Aug  7 23:30 dev/
drwxr-xr-x   19 root     root          4096 Aug  7 23:30 etc/
drwxrwxrwx    3 root     root          4096 Aug  7 23:30 home/
-rwxr-xr-x    1 root     root         13454 Aug  7 23:30 init*
drwxr-xr-x    7 root     root          4096 Aug  7 23:30 lib/
lrwxrwxrwx    1 root     root            11 Aug  7 23:30 linuxrc -> bin/busybox*
drwxr-xr-x    2 root     root          4096 Aug  7 23:30 mnt/
drwxr-xr-x    2 root     root          4096 Aug  7 23:30 proc/
drwxr-xr-x    5 root     root          4096 Aug  7 23:30 root/
drwxr-xr-x    2 root     root          4096 Aug  7 23:30 rootfs/
drwxr-xr-x    3 root     root          4096 Aug  7 23:30 run/
drwxr-xr-x    2 root     root          4096 Aug  7 23:30 sbin/
drwxr-xr-x    2 root     root          4096 Aug  7 23:30 sys/
drwxrwxrwt    2 root     root          4096 Aug  7 23:30 tmp/
drwxr-xr-x    8 root     root          4096 Aug  7 23:30 usr/
drwxr-xr-x    7 root     root          4096 Aug  7 23:30 var/
drwxr-xr-x    3 root     root          4096 Aug  7 23:30 www/
[root@LS410D06E ~]#

init？

#!/bin/sh

export PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/bin:/usr/local/sbin
ROOTFS_MPT=/rootfs

echo "---- in $0 $*---"

mount -a
#/etc/init.d/udev.sh start
# mount proc /proc -t proc
# mount sysfs /sys -t sysfs
mount -t tmpfs -o "nosuid,nodev,noexec" shm /dev/shm
mount -t devpts -o "nosuid,noexec,gid=5,mode=620" devpts /dev/pts

ldconfig
	:
	:

LS410D 楽天市場 Amazon