cgsecurity.org

"Advance" shows this

Disk sagem.img - 250 GB / 232 GiB - CHS 30402 255 63

Partition Start End Size in sectors
P Unknown 0 0 1 30401 80 63 488397168

The "type" option has something like 30 file systems listed, going through each is going to take a while to do. Have done a few file systems and ...

I've scanned with "Cylinder Boundary: No"
but the results are the same for "Quick Search" and "Deep Search". No difference from the last search.

Should I choose the "partition table type" other than "intel/PC partition". Would that help?

The result from testdisk is

Disk sagem.img - 250 GB / 232 GiB - CHS 30402 255 63
Partition Start End Size in sectors

Structure: Ok.


The following page has the additional message
"No partition found or selected for recovery"
This result is the same for both "Quick search" and "Deep search"

I used

dd conv=swab if=/dev/sda of=~/sagem.img

Using Bless (hex editor), I can confirm byte ordering has been swapped. We now have 0x55 0xAA on sector 0, rather than the other way around. All other values on the this sector have also swapped.

I used the value 39798 as the offset because I didn't ...

The scan with testdisk gave these results

Disk sagem.img - 250 GB / 232 GiB - CHS 30402 255 63
Current partition structure:
Partition Start End Size in sectors

check_FAT: Read error
1 * FAT16 LBA 39798 100 18 258070 75 13 3506538101
1 * FAT16 LBA 39798 100 18 258070 75 13 3506538101

Bad sector ...

Will do that now.

Shall I use the command
sudo mount -t vfat -o loop,offset=32256,ro,noexec SAGEM.IMG /mnt/part1
to mount the image?
Not sure about what all the options mean, but I presume the offset needs to be change according to the start address that is provided by sfdisk.
But, if sfdisk shows ...

mount results are as follows

dev/sdb1 on / type ext4 (rw,errors=remount-ro,commit=0)
proc on /proc type proc (rw,noexec,nosuid,nodev)
sysfs on /sys type sysfs (rw,noexec,nosuid,nodev)
fusectl on /sys/fs/fuse/connections type fusectl (rw)
none on /sys/kernel/debug type debugfs (rw)
none on /sys ...

full details are as follows

Disk /dev/sda: 30401 cylinders, 255 heads, 63 sectors/track

sfdisk: ERROR: sector 0 does not have an MSDOS signature
/dev/sda: unrecognised partition table type
No partitions found

Disk /dev/sdb: 60801 cylinders, 255 heads, 63 sectors/track
Warning: extended partition ...

The sfdisk shows
Disk /dev/sda: 30401 cylinders, 255 heads, 63 sectors/track

sfdisk: ERROR: sector 0 does not have an MSDOS signature
/dev/sda: unrecognised partition table type
No partitions found

is ubuntu ok, or does it have red hat?
I have a spare HD I can install the OS on.
Is there any other software I'll need to install?