anchor.diff:  
   RUN apt-key adv --recv-keys --keyserver hkp://keyserver.ubuntu.com:80 0xF1656F24C74CD1D8
   RUN add-apt-repository 'deb [arch=amd64,i386,ppc64el] http://mariadb.mirror.anstey.ca/repo/10.2/ubuntu xenial main'
  -ENV MARIADB_MAJOR 10.2
  +ENV MARIADB_MAJOR 10.1
   RUN { \
   		echo mariadb-server-$MARIADB_MAJOR mysql-server/root_password password 'freego'; \
   		echo mariadb-server-$MARIADB_MAJOR mysql-server/root_password_again password 'freego'; \
  
positive.code: FROM ubuntu:latest
  MAINTAINER David <david@cninone.com>
  
  # Get noninteractive frontend for Debian to avoid some problems:
  
negative.code: 
  RUN useradd -ms /bin/bash david && usermod -aG sudo david
  RUN echo 'david:freego' | chpasswd
  RUN echo 'root:freego_2018' | chpasswd
  # RUN sed -i 's/PermitRootLogin prohibit-password/PermitRootLogin yes/' /etc/ssh/sshd_config
  
  # SSH login fix. Otherwise user is kicked off after login
  