custom CD not working for 22.04.3

Jerry Geis jerry.geis at gmail.com
Tue Nov 28 18:53:02 UTC 2023 

On Tue, Nov 28, 2023 at 11:26 AM Jerry Geis <jerry.geis at gmail.com> wrote:

>
>
> On Tue, Nov 28, 2023 at 11:21 AM Colin Law <clanlaw at gmail.com> wrote:
>
>> On Tue, 28 Nov 2023 at 16:12, Jerry Geis <jerry.geis at gmail.com> wrote:
>> >
>> >  python3 -m livefs_edit ubuntu-22.04.3-live-server-amd64.iso test.iso
>> --cp grub.cfg  /boot/grub/grub.cfg
>> > running cp with arguments {'source': 'grub.cfg', 'dest':
>> '/boot/grub/grub.cfg'}
>> > Traceback (most recent call last):
>> >   File "/usr/lib/python3.10/runpy.py", line 196, in _run_module_as_main
>> >     return _run_code(code, main_globals, None,
>> >   File "/usr/lib/python3.10/runpy.py", line 86, in _run_code
>> >     exec(code, run_globals)
>> >   File
>> "/usr/local/lib/python3.10/dist-packages/livefs_edit/__main__.py", line 75,
>> in <module>
>> >     main(sys.argv[1:])
>> >   File
>> "/usr/local/lib/python3.10/dist-packages/livefs_edit/__main__.py", line 66,
>> in main
>> >     func(ctxt, **kw)
>> >   File
>> "/usr/local/lib/python3.10/dist-packages/livefs_edit/actions.py", line 105,
>> in cp
>> >     shutil.copy(ctxt.p(source), ctxt.p(dest))
>> >   File "/usr/lib/python3.10/shutil.py", line 417, in copy
>> >     copyfile(src, dst, follow_symlinks=follow_symlinks)
>> >   File "/usr/lib/python3.10/shutil.py", line 254, in copyfile
>> >     with open(src, 'rb') as fsrc:
>> > FileNotFoundError: [Errno 2] No such file or directory:
>> '/tmp/tmptffibk85/grub.cfg'
>> >
>> > removed the extra / and still nothing. Thanks
>>
>> That is a much more informative error message though.  Perhaps it will
>> mean something to someone.
>>
>> Colin L
>>
>> --
>> ubuntu-users mailing list
>> ubuntu-users at lists.ubuntu.com
>> Modify settings or unsubscribe at:
>> https://lists.ubuntu.com/mailman/listinfo/ubuntu-users
>
>
>
>
> Completely switching gears-  same topic
>
> This is how I am trying to change the custom CDROM.
>
> basically - mount it, copy it, place my file grub.cfg, run xorriso to
> re-assemble. This does NOT boot on a NUC11 - but does boot on virt-manager.
>
> Begin 22.04
> + rm /home/silentm/CDROM.iso/Ubuntu.22.04/Ubuntu.22.04.3.LSI.2023.11.28.iso
> + mount -t iso9660 -r -o loop
> /home/silentm/CDROM.iso/Ubuntu.22.04/ubuntu-22.04.3-live-server-amd64.iso
> /mnt/iso
> + DESTINATION_DIR=/home/silentm/development.systems/Ubuntu-Server.22.04
> +
> DESTINATION_IMAGE=/home/silentm/CDROM.iso/Ubuntu.22.04/Ubuntu.22.04.3.LSI.2023.11.28.iso
> + mkdir -p /home/silentm/development.systems/Ubuntu-Server.22.04
> + cp -arT /mnt/iso /home/silentm/development.systems/Ubuntu-Server.22.04
> + cp  ubuntu22.04.boot.grub.cfg
> /home/silentm/development.systems/Ubuntu-Server.22.04/boot/grub
>
> + umount /mnt/iso
> + dd
> if=/home/silentm/CDROM.iso/Ubuntu.22.04/ubuntu-22.04.3-live-server-amd64.iso
> bs=1 count=446 of=/tmp/mbr.img
> 446+0 records in
> 446+0 records out
> 446 bytes copied, 0.000420468 s, 1.1 MB/s
> ++ fdisk -l
> /home/silentm/CDROM.iso/Ubuntu.22.04/ubuntu-22.04.3-live-server-amd64.iso
> ++ grep EFI
> ++ awk '{print $2}'
> + START=4156048
> ++ fdisk -l
> /home/silentm/CDROM.iso/Ubuntu.22.04/ubuntu-22.04.3-live-server-amd64.iso
> ++ grep EFI
> ++ awk '{print $4}'
> + COUNT=10068
> + dd
> if=/home/silentm/CDROM.iso/Ubuntu.22.04/ubuntu-22.04.3-live-server-amd64.iso
> bs=512 skip=4156048 count=10068 of=/tmp/efi.img
> 10068+0 records in
> 10068+0 records out
> 5154816 bytes (5.2 MB, 4.9 MiB) copied, 0.00905185 s, 569 MB/s
> + fdisk -l
> /home/silentm/CDROM.iso/Ubuntu.22.04/ubuntu-22.04.3-live-server-amd64.iso
> Disk
> /home/silentm/CDROM.iso/Ubuntu.22.04/ubuntu-22.04.3-live-server-amd64.iso:
> 1.99 GiB, 2133391360 bytes, 4166780 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: gpt
> Disk identifier: F19CB4F2-831A-42FA-B510-0DD91B961BBF
>
> Device
>   Start     End Sectors  Size Type
> /home/silentm/CDROM.iso/Ubuntu.22.04/ubuntu-22.04.3-live-server-amd64.iso1
>      64 4156047 4155984    2G Microsoft basic data
> /home/silentm/CDROM.iso/Ubuntu.22.04/ubuntu-22.04.3-live-server-amd64.iso2
> 4156048 4166115   10068  4.9M EFI System
> /home/silentm/CDROM.iso/Ubuntu.22.04/ubuntu-22.04.3-live-server-amd64.iso3
> 4166116 4166715     600  300K Microsoft basic data
> + echo ISO dd values count=10068 skip=4156048
> ISO dd values count=10068 skip=4156048
> + xorriso -as mkisofs -r --grub2-mbr /tmp/mbr.img --protective-msdos-label
> -partition_cyl_align off -partition_offset 16 --mbr-force-bootable
> -append_partition 2 28732ac11ff8d211ba4b00a0c93ec93b /tmp/efi.img
> -appended_part_as_gpt -iso_mbr_part_type a2a0d0ebe5b9334487c068b6b72699c7
> -c /boot.catalog -b /boot/grub/i386-pc/eltorito.img -no-emul-boot
> -boot-load-size 4 -boot-info-table --grub2-boot-info -eltorito-alt-boot -e
> --interval:appended_partition_2::: -no-emul-boot -boot-load-size 10068 -o
> /home/silentm/CDROM.iso/Ubuntu.22.04/Ubuntu.22.04.3.LSI.2023.11.28.iso
> /home/silentm/development.systems/Ubuntu-Server.22.04
> xorriso 1.5.4 : RockRidge filesystem manipulator, libburnia project.
>
> Drive current: -outdev
> 'stdio:/home/silentm/CDROM.iso/Ubuntu.22.04/Ubuntu.22.04.3.LSI.2023.11.28.iso'
> Media current: stdio file, overwriteable
> Media status : is blank
> Media summary: 0 sessions, 0 data blocks, 0 data, 1195g free
> Added to ISO image: directory
> '/'='/home/silentm/development.systems/Ubuntu-Server.22.04'
> xorriso : UPDATE :     824 files added in 1 seconds
> xorriso : UPDATE :     824 files added in 1 seconds
> xorriso : NOTE : Copying to System Area: 446 bytes from file '/tmp/mbr.img'
> xorriso : UPDATE :  14.46% done
> xorriso : UPDATE :  77.71% done
>
>
> ISO image produced: 1041432 sectors
> Written to medium : 1041432 sectors at LBA 0
> Writing to
> 'stdio:/home/silentm/CDROM.iso/Ubuntu.22.04/Ubuntu.22.04.3.LSI.2023.11.28.iso'
> completed successfully.
>
> + rm -rf /home/silentm/development.systems/Ubuntu-Server.22.04
>
> + ln -sf Ubuntu.22.04.3.LSI.2023.11.28.iso
> ubuntu-22.04.3-live-server-amd64.iso
> + ls -l /home/silentm/CDROM.iso/Ubuntu.22.04
> total 4166268
> -r--r--r-- 1 root         root       3155 Nov 28 08:20 grub.cfg
> -rw-r--r-- 1 libvirt-qemu kvm  2133391360 Oct 24 07:50
> ubuntu-22.04.3-live-server-amd64.iso
> -rw-r--r-- 1 root         root 2132852736 Nov 28 11:21
> Ubuntu.22.04.3.LSI.2023.11.28.iso
> + rm /tmp/efi.img
> + rm /tmp/mbr.img
>
> THoughts ?
>
> Jerry
>


I found another post - that change the line for xorriso for -e to
  -e '--interval:appended_partition_2_start_1039012s_size_10068d:all::'

where this:
-e --interval:appended_partition_2:::
did not work before.

NO idea what this does - but this seems to allow the NUC to boot USB

Jerry
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.ubuntu.com/archives/ubuntu-users/attachments/20231128/8b91ac0e/attachment.html>

More information about the ubuntu-users mailing list