Hi,
I think the WD My Cloud NAS runs on Linux. So in theory, provided you have access to the command line of your NAS, you should be able to install Java and Ubooquity like any other program.
But not having a WD My CLoud NAS myself, I cannot help you on the specifics of the operation.

Perhaps you should ask this question on the My Cloud dedicated forums:
http://community.wd.com/t5/WD-My-Cloud/bd-p/myclou...

I'm sorry I can't help more.

Hi,
Ubooquity does not know if you access it from a local network or from the internet. Ubooquity working on your local network means that your problem comes from one of your network components (hosting server, router, modem...).

For instance, to access my own instance of Ubooquity from the internet I had to:

• Create a firewall rule on the Windows machine on which Ubooquity is running
• Create a port forwarding rule on my router
• Create a port forwarding rule on my ADSL modem (which acts as a router as well, unfortunately) to forward trafic to the router

It took me a few hours to figure out the problem was coming fro my modem.
Unfortunately this problem is completely specific to your setup, I'm afraid I can't do much on my side.

I hope I helped a little.

You mean one theme for books and another one for comics ?

If so, you can already do that by creating your own theme: the theme used for books is defined in the "books.css" file and the one for comcis in the "comics.css" file.

Unfortunately, mass download is something that has to be managed on client side (in your case by the Chunky app). The server alone cannot provide bulk download.
Sorry.