title: Install apache2 on Linux cannot verify root:root
body: <p>I'm trying to run apache2 on my Ubuntu (Opensuse 42.1).
  The result of my installing doesn't look that good. 
  Do anybody know how to get the apache work?
  <a href="https://i.stack.imgur.com/cwE38.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/cwE38.png" alt="Result of installing...."></a></p>