This is a comment on Blank page after install. 18.04 LAMP, posted by WikiAdmin at 29.08.2020 06:04

View source for Re: Blank page after install. 18.04 LAMP

Please check the article ((user:EvaggelosBalaskas Evaggelos)) wrote a few month ago, if you've missed something in your environment settings. 
  * ((https://balaskas.gr/blog/2019/08/24/walkthrough-installation-of-wackowiki-v5512/  Installation of WackoWiki on a Ubuntu 18.04 LTS))

The domain you've provided throws a ##500 Internal Server Error##. This can be caused by insufficient file permission, missing PHP extensions or a rewrite setting issue.