Mount a qcow2 disk image
From DevOps Notebook
# modprobe nbd max_part=8 # qemu-nbd --connect=/dev/nbd0 /var/lib/vz/images/100/vm-100-disk-1.qcow2 # fdisk /dev/nbd0 -l # mount /dev/nbd0p1 /mnt/somepoint/ # umount /mnt/somepoint/ # qemu-nbd --disconnect /dev/nbd0 # rmmod nbd