Mount ISO Images
// FreeBSD
mdconfig -a -t vnode -f /path/to/image.iso -u 1
mount -t cd9660 /dev/md1 /mnt/cdrom
#unmount
mount -u /mnt/cdrom
mdconfig -d -u 1
// Ubuntu
#load loop kernel module
sudo modprobe loop
sudo mount debianetch.iso /media/isoimage/ -t iso9660 -o loop