タグ: VirtualBox

$ wget http://cdimage.debian.org/cdimage/stretch_di_rc2/i386/iso-cd/debian-stretch-DI-rc2-i386-netinst.iso http://cdimage.debian.org/cdimage/stretch_di_rc2/i386/iso-cd/SHA512SUMS.sign http://cdimage.debian.org/cdimage/stretch_di_rc2/i386/iso-cd/SHA512SUMS

$ gpg --verify SHA512SUMS.sign
gpg: 署名されたデータが'SHA512SUMS'にあると想定します
gpg: 2017年02月02日 07時45分30秒 JSTに施された署名
gpg:                RSA鍵DA87E80D6294BE9Bを使用
gpg: "Debian CD signing key <debian-cd@lists.debian.org>"からの正しい署名 [不明の]
gpg: *警告*: この鍵は信用できる署名で証明されていません!
gpg:       この署名が所有者のものかどうかの検証手段がありません。
 主鍵フィンガープリント: DF9B 9C49 EAA9 2984 3258  9D76 DA87 E80D 6294 BE9B

$ sha512sum -c SHA512SUMS
sha512sum: debian-mac-stretch-DI-rc2-i386-netinst.iso: そのようなファイルやディレクトリはありません
debian-mac-stretch-DI-rc2-i386-netinst.iso: FAILED open or read
debian-stretch-DI-rc2-i386-netinst.iso: 完了
sha512sum: debian-stretch-DI-rc2-i386-xfce-CD-1.iso: そのようなファイルやディレクトリはありません
debian-stretch-DI-rc2-i386-xfce-CD-1.iso: FAILED open or read
sha512sum: 警告: 一覧にある 2 個のファイルが読み込めませんでした

$ dmesg
  :
[414356.444121] usb 1-1.2: New USB device found, idVendor=13fe, idProduct=1a00
[414356.444128] usb 1-1.2: New USB device strings: Mfr=0, Product=11, SerialNumber=0
[414356.444131] usb 1-1.2: Product: USB 2.0 HUB
[414362.925178] usb-storage 1-1.2.1:1.0: USB Mass Storage device detected
[414362.925967] scsi host6: usb-storage 1-1.2.1:1.0
[414364.184209] sd 6:0:0:1: [sdb] 980480 512-byte logical blocks: (502 MB/479 MiB)
[414364.187102] sd 6:0:0:1: [sdb] Write Protect is off
[414364.187106] sd 6:0:0:1: [sdb] Mode Sense: 23 00 00 00
[414364.190339] sd 6:0:0:1: [sdb] No Caching mode page found
[414364.190345] sd 6:0:0:1: [sdb] Assuming drive cache: write through
[414364.201730]  sdb: sdb1
[414364.201734] sdb: p1 size 982496 extends beyond EOD, enabling native capacity
[414364.214471]  sdb: sdb1
[414364.214475] sdb: p1 size 982496 extends beyond EOD, truncated
[414364.228961] sd 6:0:0:1: [sdb] Attached SCSI removable disk
$ sudo fdisk -l /dev/sdb
Disk /dev/sdb: 478.8 MiB, 502005760 bytes, 980480 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x00000000

Device     Boot Start    End Sectors   Size Id Type
/dev/sdb1  *       32 982527  982496 479.8M  6 FAT16

$ sudo umount /dev/sdb1
$ mount | grep /dev/sdb

$ sudo wipefs /dev/sdb
offset               type
----------------------------------------------------------------
0x1fe                dos   [partition table]

$ sudo wipefs -a /dev/sdb ; sync
/dev/sdb: 2 bytes were erased at offset 0x000001fe (dos): 55 aa
/dev/sdb: calling ioctl to re-read partition table: 成功です

$ sudo dd if=./debian-stretch-DI-rc2-i386-netinst.iso of=/dev/sdb bs=4M ; sync
95+1 レコード入力
95+1 レコード出力
401604608 bytes (402 MB, 383 MiB) copied, 176.874 s, 2.3 MB/s

$ sudo VBoxManage internalcommands createrawvmdk -rawdisk /dev/sdb -filename sdb.vmdk 
RAW host disk access VMDK file sdb.vmdk created successfully.
$ sudo cat sdb.vmdk
# Disk DescriptorFile
version=1
CID=1722e641
parentCID=ffffffff
createType="fullDevice"

# Extent description
RW 980480 FLAT "/dev/sdb" 0

# The disk Data Base 
#DDB

ddb.virtualHWVersion = "4"
ddb.adapterType="ide"
ddb.geometry.cylinders="972"
ddb.geometry.heads="16"
ddb.geometry.sectors="63"
ddb.uuid.image="c2c9d560-049f-4c44-bf8a-0b85e820ba12"
ddb.uuid.parent="00000000-0000-0000-0000-000000000000"
ddb.uuid.modification="00000000-0000-0000-0000-000000000000"
ddb.uuid.parentmodification="00000000-0000-0000-0000-000000000000"

$ gksudo virtualbox