It is very insteresting and pleased to see how many linux distros already running on CubieBoards.
About the instructions how to run the linux distros list above, please look at the following link
It's a community created by a group of hackers.The goal of the community is to support (and mainline) all Allwinner SoCs, even the old sun3i and the future chipset. But everything on a single branch, sharing drivers across the family and with other manufacturers when possible. Their official site is http://linux-sunxi.org. Cubieteam is a member of linux-sunxi who will support the community with our best effort.
There are some initial support for cubieboard1/2/3 at the upstream kernel: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/log/?qt=grep&q=cubieboard