troubleshoot qcow2 and test qcow2 booting


info
check
boot	qemu-system-x86_64 -hda OPNsense-24.7-vga-amd64.qcow2 -boot c -m 2024
mount	Create a Device Mapping Find the Partitions: Mount the Boot Partition: Inspect the Bootloader Files: 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

Linux