I've got an image of a USB disk that was created with the command dd. How can we mount it and access files? The file is named smosimg
Method 1: fdisk and bash
# fdisk -l smosimg
Disk smosimg: 1993 MB, 1993342976 bytes, 3893248 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
Disk identifier: 0x000336e0
Device Boot Start End Blocks Id System
smosimg1 * 2048 1230847 614400 83 Linux
smosimg2 1230848 3893247 1331200 83 Linux |
# fdisk -l smosimg Disk smosimg: 1993 MB, 1993342976 bytes, 3893248 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
Disk identifier: 0x000336e0 Device Boot Start End Blocks Id System
smosimg1 * 2048 1230847 614400 83 Linux
smosimg2 1230848 3893247 1331200 83 Linux
I want to mount the second partition that starts at block 1230848. The block size is 512 bytes, so we multiply 1230848 by 512:
mkdir target
mount -o loop,offset=$((1230848*512)) smosimg target |
mkdir target
mount -o loop,offset=$((1230848*512)) smosimg target
Method 2: kpartx
mkdir target
kpartx -a smosimg
mount /dev/mapper/loop0p2 target -o loop
kpartx -d smosimg |
mkdir target
kpartx -a smosimg
mount /dev/mapper/loop0p2 target -o loop
kpartx -d smosimg
Method 3: losetup
mkdir target
losetup --partscan --find --show disk.img
mount /dev/loop0p2 target
losetup -d /dev/loop0 |
mkdir target
losetup --partscan --find --show disk.img
mount /dev/loop0p2 target
losetup -d /dev/loop0
I've personally tested all three methods, and on my Fedora 18 machine, they all work.
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