anchor.diff:    adduser core plugdev && \
     mkdir -p /home/core/ && \
     chown core:core /home/core && \
  +  passwd -d core && \
     echo "core    ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers
   
   RUN systemctl set-default graphical.target && \
  
positive.code: RUN \
    adduser core \
    --no-create-home \
    --gecos "Core" \
    --shell /bin/bash \
    --disabled-password && \
    adduser core audio && \
  
negative.code:   apt-get install -y  \
    --no-install-recommends \
    -o "Dpkg::Options::=--force-confdef"  \
    -o "Dpkg::Options::=--force-confnew"  \
    autotools-dev \
    build-essential \
    cups \
  