root のパスワードをつぶす / clear the root's password

mount

kup:~# mkdir /tmp/sdb2
kup:~# mount /dev/sdb2 /tmp/sdb2
kup:~#

backup

kup:~# cd /tmp/sdb2/etc
kup:/tmp/sdb2/etc# mv shadow shadow.orig
kup:/tmp/sdb2/etc# cp shadow.orig shadow
kup:/tmp/sdb2/etc# ls -l shadow*
-rw-r--r-- 1 root root 370 Mar  2 17:37 shadow
-rw-rw-r-- 1 root root 370 Jan  9 10:30 shadow.orig
kup:/tmp/sdb2/etc#

clear password

kup:/tmp/sdb2/etc# vi shadow
	:
kup:/tmp/sdb2/etc# diff -c shadow.orig shadow
*** shadow.orig Wed Jan  9 10:30:43 2008
--- shadow      Sun Mar  2 17:38:44 2008
***************
*** 1,4 ****
! root:(encrypted password):11009:0:99999:7:::
  bin:*:11009:0:99999:7:::
  daemon:*:11009:0:99999:7:::
  halt:*:11009:0:99999:7:::
--- 1,4 ----
! root::11009:0:99999:7:::
  bin:*:11009:0:99999:7:::
  daemon:*:11009:0:99999:7:::
  halt:*:11009:0:99999:7:::
kup:/tmp/sdb2/etc#

unmount and shutdown

kup:/# umount /tmp/sdb2
kup:/# shutdown -h now
kup:/# umount /tmp/sdb2
kup:/# shutdown -h now

Broadcast message from root@kup (pts/0) (Sun Mar  2 17:40:00 2008):

The system is going down for system halt NOW!
kup:/# exit
logout
yasunari@kup:~$ exit

HDD を戻す / return the hard drive to the LS-HGL

LS-HGL の電源を入れる / turn on the LS-HGL

telnet to the LS-HGL

yasunari@sil:~$ telnet 192.168.2.203
Trying 192.168.2.203...
Connected to 192.168.2.203.
Escape character is '^]'.

BUFFALO INC. LinkStation series LS-HGL(SUININ)
LS-HGL487 login: root
root@LS-HGL487:~#

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