How to combine sites of one CMS under one administration?

Question

Joomla

how to merge sites under the control of one engine (Jumla-Wordpress), so that outwardly there are different sites, in fact, the control system is one? for example, I updated the site engine and that's it, it's new for everyone -)

Answer 1

You can use wp mu
WordPress Multisite
Multisite in WordPress. Part 1 — What, why...
Multisite in WordPress. Part 2. Administration...

Answer 2

Symbolic links instead of real files.

Answer 3

I never thought that I would have to advise MODX again, but yes, it will be suitable for such a task. =) There, in the document tree, the root nodes are called contexts. And so it is possible to do contexts on different domains.