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基本的には ようやく、振り出しに戻る の手順。

HDD を LS410D に接続

Dec 16 12:35:07 ls410d kernel: usb 1-1: new high-speed USB device number 2 using ehci_marvell
Dec 16 12:35:07 ls410d kernel: scsi2 : usb-storage 1-1:1.0
Dec 16 12:35:08 ls410d kernel: scsi 2:0:0:0: Direct-Access     ViPowER  VP-89118(SD1)    2.10 PQ: 0 ANSI: 4
Dec 16 12:35:08 ls410d kernel: sd 2:0:0:0: [sdb] 976773168 512-byte logical blocks: (500 GB/465 GiB)
Dec 16 12:35:08 ls410d kernel: sd 2:0:0:0: [sdb] Write Protect is off
Dec 16 12:35:08 ls410d kernel: sd 0:0:0:0: Attached scsi generic sg0 type 0
Dec 16 12:35:08 ls410d kernel: sd 2:0:0:0: Attached scsi generic sg1 type 0
Dec 16 12:35:08 ls410d kernel: sdb: sdb1 sdb2 sdb3 sdb4 sdb5 sdb6
Dec 16 12:35:08 ls410d kernel: sd 2:0:0:0: [sdb] Attached SCSI disk

マウント

root@ls410d:~# mdadm --assemble -scan
mdadm: /dev/md/LS-QVL-EMF42:21 has been started with 1 drive (out of 2).
mdadm: /dev/md/LS-QVL-EMF42:10 has been started with 1 drive (out of 4).
mdadm: /dev/md/LS-QVL-EMF42:1 has been started with 1 drive (out of 4).
mdadm: /dev/md/0_0 has been started with 1 drive (out of 4).
root@ls410d:~# ls -l /dev/md*
brw-rw---T 1 root disk 9, 124 12月 16 12:38 /dev/md124
brw-rw---T 1 root disk 9, 125 12月 16 12:38 /dev/md125
brw-rw---T 1 root disk 9, 126 12月 16 12:38 /dev/md126
brw-rw---T 1 root disk 9, 127 12月 16 12:38 /dev/md127

/dev/md:
合計 0
lrwxrwxrwx 1 root root 8 12月 16 12:38 0_0 -> ../md124
lrwxrwxrwx 1 root root 8 12月 16 12:38 LS-QVL-EMF42:1 -> ../md125
lrwxrwxrwx 1 root root 8 12月 16 12:38 LS-QVL-EMF42:10 -> ../md126
lrwxrwxrwx 1 root root 8 12月 16 12:38 LS-QVL-EMF42:21 -> ../md127
root@ls410d:~# mkdir /tmp/root
root@ls410d:~# mount /dev/md125 /tmp/root
root@ls410d:~# ls /tmp/root
bin   dev  home    lib         mnt   resources  sbin  tmp  var
boot  etc  initrd  lost+found  proc  root       sys   usr  www
root@ls410d:~#

root のパスワードをつぶす

root@ls410d:~# cd /tmp/root/etc/
root@ls410d:/tmp/root/etc# vi shadow
	:
	:
root@ls410d:/tmp/root/etc# grep '^root' shadow
root::11009:0:99999:7:::
root@ls410d:/tmp/root/etc#

sshd_config の修正

root@ls410d:/tmp/root/etc# mv sshd_config{,.orig}
root@ls410d:/tmp/root/etc# cp sshd_config{.orig,}
root@ls410d:/tmp/root/etc# ls /mnt/share
sshd_config.diff
root@ls410d:/tmp/root/etc# patch < /mnt/share/sshd_config.diff
patching file sshd_config
root@ls410d:/tmp/root/etc# !cp:s/cp/diff -u/
diff -u sshd_config{.orig,}
--- sshd_config.orig    2011-01-06 11:07:39.000000000 +0900
+++ sshd_config 2013-12-16 12:41:22.000000000 +0900
@@ -20,7 +20,7 @@
 # HostKeys for protocol version 2
 #HostKey /etc/ssh_host_rsa_key
 #HostKey /etc/ssh_host_dsa_key
-HostKey /etc/apache/server.key
+#HostKey /etc/apache/server.key

 # Lifetime and size of ephemeral version 1 server key
 #KeyRegenerationInterval 1h
@@ -34,8 +34,8 @@
 # Authentication:

 #LoginGraceTime 2m
-#PermitRootLogin yes
-PermitRootLogin no
+PermitRootLogin yes
+#PermitRootLogin no
 #StrictModes yes

 #RSAAuthentication yes
@@ -55,6 +55,7 @@
 # To disable tunneled clear text passwords, change to no here!
 #PasswordAuthentication yes
 #PermitEmptyPasswords no
+PermitEmptyPasswords yes

 # Change to no to disable s/key passwords
 #ChallengeResponseAuthentication yes
@@ -71,7 +72,8 @@
 # Set this to 'yes' to enable PAM authentication (via challenge-response)
 # and session processing. Depending on your PAM configuration, this may
 # bypass the setting of 'PasswordAuthentication'
-UsePAM yes
+#UsePAM yes
+UsePAM no

 #AllowTcpForwarding yes
 #GatewayPorts no
root@ls410d:/tmp/root/etc#

アンマウント

root@ls410d:/tmp/root/etc# cd /
root@ls410d:/# umount /tmp/root
root@ls410d:/#

HDD を LS-QVL に戻す

LS-QVL を起動

LS-QVL に ssh

root@LS-QVLF42:~#

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