Re: Debian installation issues
Hi,
Dan Ritter wrote:
> https://www.microsoft.com/en-us/software-download/windows10ISO/
The site creates a download link which is valid for one day.
4+ GB. Only good that my phone provider forced me on a 50 Mbit/s
line last year.
$ xorriso -indev Win10_1607_English_x64.iso -report_el_torito plain -report_system_area plain
...
Volume id : 'CCSA_X64FRE_EN-US_DV5'
El Torito catalog : 22 1
El Torito images : N Pltf B Emul Ld_seg Hdpt Ldsiz LBA
El Torito boot img : 1 BIOS y none 0x0000 0x00 8 539
El Torito boot img : 2 UEFI y none 0x0000 0x00 1 541
El Torito img blks : 1 2
El Torito img blks : 2 2138320
xorriso : NOTE : No System Area was loaded
No MBR and no partition tables to see.
So the ISO is only prepared for booting from CD, DVD, or BD media.
Not for hard disk or USB stick.
Since we are at it, let's have a look at the filesytems:
There is only one data file in the ISO 9660. Its content says
This disc contains a "UDF" file system and requires an operating system
that supports the ISO-13346 "UDF" file system specification.
So i mount it
# mount -t udf -o loop Win10_1607_English_x64.iso /mnt/iso
and then can see lots of files underneath /mnt/iso.
$ du -s /mnt/iso
4273306 /mnt/iso
The content of the EFI System partition is similarly meager as in
a Debian ISO.
# mount -t vfat -o loop,offset=1107968 Win10_1607_English_x64.iso /mnt/fat
The offset number 1107968 was computed from UEFI boot image LBA 541
multiplied by DVD block size 2048 bytes.
$ find /mnt/fat -exec ls -ld '{}' ';'
drwxr-xr-x 3 root root 7168 Jan 1 1970 /mnt/fat
drwxr-xr-x 3 root root 512 Jul 15 2016 /mnt/fat/EFI
drwxr-xr-x 2 root root 512 Jul 15 2016 /mnt/fat/EFI/BOOT
-rwxr-xr-x 1 root root 869216 Jul 15 2016 /mnt/fat/EFI/BOOT/BOOTX64.EFI
Have a nice day :)
Thomas
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