The guide is come from https://github.com/jwrdegoede/sunxi-fedora-scripts .
$xzcat Fedora-19-a10-armhfp-r3.img.xz > /dev/XXX $sync
$sudo /XXX/uboot/select-board.sh cubietruck
$umount /XXX/uboot $umount /XXX/rootfs
The Wifi driver haven't been merged to linux-sunxi kernel, so the module doesn't work currently on r3 version. But a working wifi driver can be found at github.com/cubieboard2/linux-sunxi branch sunxi-3.4-ct-v101.