hikenboot@Parallels:~/smothwall$ fdisk -lu smoothwall.img
You must set cylinders.
You can do this from the extra functions menu.
Disk smoothwall.img: 0 MB, 0 bytes
16 heads, 63 sectors/track, 0 cylinders, total 0 sectors
Units = sectors of 1 * 512 = 512 bytes
Device Boot Start End Blocks Id System
smoothwall.img1 1 11087 5543+ 83 Linux
smoothwall.img2 11088 44351 16632 82 Linux swap / Solaris
smoothwall.img3 44352 85679 20664 83 Linux
smoothwall.img4 * 85680 163295 38808 83 Linux
hikenboot@Parallels:~/smothwall$ echo $(512*85680)
bash: 512*85680: command not found
hikenboot@Parallels:~/smothwall$ sudo mount -o loop,offset=$(echo 512*85680 | bc) -t ext3 smoothwall.img /smoothwall
hikenboot@Parallels:~/smothwall$ ls /smoothwall
bin boot dev etc home lib lost+found mnt proc root sbin tmp usr var