If your redoing the tutorial then you'll already have created /and, so just skip that step.
cd /etc/multiboot.d cat > NITdroid-2.6.28.NIT.05.item << EOF ITEM_NAME="NITdroid on MMCp2 - 2.6.28.NIT.05" ITEM_KERNEL=2.6.28.NIT.05 ITEM_MODULES=ext3 fat vfat ITEM_DEVICE=${EXT_CARD}p2 ITEM_FSTYPE=ext3 ITEM_FSOPTIONS=rw,noatime,errors=remount-ro,commit=3 EOF