@ThomLSA Are you reverse proxied through nginx? Do you have the capacity to add a DNS record?
If so, then adding it as a subdomain is pretty easy.
Nothing appears (waited several minutes) when I go to Appearance -> Skins in the admin interface. See attachment.
It just sits at 'loading themes'
@codecowboy What's your NodeBB version?
Node version is 0.9.3
@pichalite in case its relevant, network console shows that