currently I'm using Mediawiki 1.1.0 on a linux (debian) server. I want to
migrate the wiki to another server (also debian) and would like to update
the wiki to the current version 1.2.4.
Is it possible to upgrade the wiki and use the old database? How do I
migrate? I tried to dump and import the db and just copied the wiki-webtree
but that didn't work.