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info
check
bootqemu-system-x86_64 -hda OPNsense-24.7-vga-amd64.qcow2 -boot c -m 2024
mount
  1. Create a Device Mapping
  2. Find the Partitions:
  3. Mount the Boot Partition:
  4. Inspect the Bootloader Files:
  5. Unmount and Disconnect:

Check for MBR/Partition Table Information

1.sudo modprobe nbd
sudo qemu-nbd --connect=/dev/nbd0 <image.qcow2>
2.sudo fdisk -l /dev/nbd0
3.sudo mount /dev/nbd0p1 /mnt
4.ls /mnt/boot/grub
cat /mnt/boot/grub/grub.cfg
5.sudo umount /mnt
sudo qemu-nbd --disconnect /dev/nbd0
6.fdisk -l <image.qcow2>

x86 vs ARM

qemu-system-x86_64  
or use

qemu-system-armv71 or aarch64