Thanks for your time and response.
Yes, any of those 3 commands didn’t work.
Based on information from that topic in REAR GitHub - the user after using PXE mode, they had pxelinux config and probably as you mentioned kernel (kernel file) and maybe file system (initrg.cgz) for BIOS, not UEFI.
I guess i have the same and trying to boot on UEFI system.
How to determine which file is for UEFI? I guess it should be part of ISO which works fine on BIOS and UEFI system.
I have this content of ISO:
Then I have this content in ISO:
EFI G:\EFI
boot G:\boot
isolinux G:\isolinux
BOOT G:\EFI\BOOT
fonts G:\EFI\BOOT\fonts
locale G:\EFI\BOOT\locale
BOOTX64.efi G:\EFI\BOOT\BOOTX64.efi
embedded_grub.cfg G:\EFI\BOOT\embedded_grub.cfg
grub.cfg G:\EFI\BOOT\grub.cfg
grubx64.efi G:\EFI\BOOT\grubx64.efi
grub G:\boot\grub
efiboot.img G:\boot\efiboot.img
grub.cfg G:\boot\grub\grub.cfg
boot.cat G:\isolinux\boot.cat
chain.c32 G:\isolinux\chain.c32
hdt.c32 G:\isolinux\hdt.c32
initrd.cgz G:\isolinux\initrd.cgz
isolinux.bin G:\isolinux\isolinux.bin
isolinux.cfg G:\isolinux\isolinux.cfg
kernel G:\isolinux\kernel
ldlinux.c32 G:\isolinux\ldlinux.c32
libcom32.c32 G:\isolinux\libcom32.c32
libgpl.c32 G:\isolinux\libgpl.c32
libmenu.c32 G:\isolinux\libmenu.c32
libutil.c32 G:\isolinux\libutil.c32
menu.c32 G:\isolinux\menu.c32
message G:\isolinux\message
pci.ids G:\isolinux\pci.ids
rear.help G:\isolinux\rear.help
reboot.c32 G:\isolinux\reboot.c32
vesamenu.c32 G:\isolinux\vesamenu.c32