Sorry,I didn't see that reply. Anyway,it didn't work. I need some other support,please. I've replied on the ubuntuforums.
Il giorno dom 9 ott 2022 alle ore 22:12 Thomas Schmitt <scdbac...@gmx.net> ha scritto: > Hi, > > i already saw your questions in the web and wrote on > > https://ubuntuforums.org/showthread.php?t=2479825&p=14115063#post14115063 > ------------------------------------------------------------------------- > > Your genisoimage run does not produce boot lures for EFI which would lead > to GRUB, but only boot lures for legacy BIOS which would lead to ISOLINUX. > So the fact that you see in > https://ibb.co/GstvTvR > a GRUB prompt indicates that this GRUB stems from some other storage > medium. > (Shown on https://askubuntu.com/questions/1434549 which is cumbersome for > me to participate.) > > Is your QEMU/KVM running with EFI as firmware (OVMF) ? If so, try to get > it started with legacy BIOS (SeaBIOS) and with the ISO as virtual CD-ROM. > > For a still valid proposal to repack a Debian amd64 bootable ISO for EFI > and BIOS from CD and USB stick see: > > https://wiki.debian.org/RepackBootableISO#Determine_those_options_which_need_to_be_adapted_on_amd64_or_i386 > > ------------------------------------------------------------------------- > > > I guess the error could be : > > xorriso : NOTE : Detected El-Torito boot information which currently is > set to > > be discarded" > > That's from the osirrox extraction run. Since no ISO got written by > this program run, the message is of no importance. > > > > I have asked help > > in a lot of places,but no one really understood why. > > Let's see how far we get together. :)) > > Try the proposals about booting via legacy BIOS and/or equipping the ISO > by the full BIOS+EFI+CD+USB-Stick stuff as in > https://wiki.debian.org/RepackBootableISO > > Then there would be the modernish way of > > xorriso -indev debian-11.5.0-amd64-netinst.iso \ > -outdev debian-11-unattended.iso \ > ... xorriso image manipulation commands like -map, -rm, -mv ... \ > -boot_image any replay > > No unpacking of the original ISO is needed. (Your xorriso 1.5.4 is young > enough to cope even with the new layouts of Ubuntu, Arch, and Fedora.) > > > Have a nice day :) > > Thomas > > -- Mario.
