Thread:Extension talk:VisualEditor/Digital Ocean Droplet: Ubuntu 14.04 x64 with MediaWiki 1.24.0/reply

I can confirm that installing this on Ubuntu 14LTS and MW 1.24 is possible. I also confirm that Apache localhost URLs don't work out of the box and that using the wikis (virtual) hostname is the solution. Finally make sure that the Apache virtual host config file is correct. Since I was moving the wiki to a new machine, I had  and that was enough to make the edit button insensitive to any clicking :(

If you like to read longer text, my full installation notes are here