anchor.diff:  
   RUN systemctl set-default graphical.target && \
       systemctl mask tmp.mount && \
  +    (systemctl mask NetworkManager || true) && \
       rm /etc/systemd/system/nvwifibt.service && \
  -    echo "nvidia	ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers && \
  -    find /etc/systemd/system \
  -         /lib/systemd/system \
  -         \( -path '*.wants/*' \
  -         -name '*swapon*' \
  -         -or -name '*ntpd*' \
  -         -or -name '*resolved*' \
  -         -or -name '*NetworkManager*' \
  -         -or -name '*remount-fs*' \
  -         -or -name '*getty*' \
  -         -or -name '*systemd-sysctl*' \
  -         -or -name '*.mount' \
  -         -or -name '*remote-fs*' \) \
  -         -exec echo \{} \; \
  -         -exec rm \{} \;
  +    echo "nvidia	ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers
   
   WORKDIR /
   ENTRYPOINT ["/lib/systemd/systemd"]
  
positive.code:   apt-get install -y  \
    -o "Dpkg::Options::=--force-confdef"  \
    -o "Dpkg::Options::=--force-confnew"  \
    build-essential \
    openssh-client \
    rsync \
    lsb-release \
    systemd \
    device-tree-compiler \
    usbutils \
    sudo \
    curl \
    htop \
    git \
    sed \
    libunwind8 \
    vim \
    nano \
    net-tools \
    software-properties-common \
    unzip \
    autotools-dev \
    cups \
    locales \
    wget # &&
  
  # copy l4t_deb_packages
  COPY --from=nvsources /sources/l4t_debs_patched \
  
negative.code:   echo "nvidia,quillnvidia,p2597-0000+p3310-1000nvidia,tegra186" >\
      /etc/tegra-soc/device-tree/compatible
  
  # linux4tegra
  RUN export DEBIAN_FRONTEND=noninteractive; \
    apt-get autoremove -y && \
    apt-get dist-upgrade -y && \
    apt-get install -y  \
    -o "Dpkg::Options::=--force-confdef"  \
    -o "Dpkg::Options::=--force-confnew"  \
    mesa-utils libgles2-mesa-dev libsdl2-dev libblas3 liblapack3 && \
    apt-get install -y \
    -o "Dpkg::Options::=--force-confdef"  \
    -o "Dpkg::Options::=--force-confnew"  \
    /usr/src/l4t_deb_packages/*.deb && \
  