anchor.diff:  
   # ================= /opt/apps/green =========================================================
   
  -RUN apt-get build-dep -y nbd-server && apt-get install -y docbook-utils
  -RUN curl -LO https://github.com/NetworkBlockDevice/nbd/archive/nbd-3.15.2.tar.gz &&\
  +RUN apt-get build-dep -y nbd-server && apt-get install -y docbook-utils && \
  +    curl -LO https://github.com/NetworkBlockDevice/nbd/archive/nbd-3.15.2.tar.gz &&\
       tar xf nbd-*.tar.gz && rm nbd-*.tar.gz && cd nbd* &&\
       sh autogen.sh &&\
       ./configure CFLAGS="-I/opt/apps/green/include" LDFLAGS="-L/opt/apps/green/lib" --prefix=/opt/apps/green &&\
       make &&\
       make install
   
  -RUN apt-get build-dep libpam-google-authenticator -y
   ENV CPPFLAGS="-I/opt/apps/green/include" CFLAGS="-I/opt/apps/green/include" LDFLAGS="-L/opt/apps/green/lib"
  -
   
   RUN curl -LO http://downloads.es.net/pub/iperf/iperf-3-current.tar.gz &&\
       tar xf iperf-3*.tar.gz && rm iperf-3*.tar.gz && cd iperf* &&\
       ./configure CFLAGS="-I/opt/apps/green/include" LDFLAGS="-L/opt/apps/green/lib" --prefix=/opt/apps/green &&\
       make &&\
       make install
  +
  +
  +# == qperf 0.4.9, 2012-11-07 ===
  +RUN cd /tmp && curl -LO https://www.openfabrics.org/downloads/qperf/qperf-0.4.9.tar.gz &&\
  +        tar xvf qperf-0.4.9.tar.gz &&\
  +        cd /tmp/qperf-0.4.9 && sh autogen.sh && \
  +        ./configure && make && /usr/bin/install -c src/qperf /opt/apps/green/bin &&\
  +        cd /tmp && rm qperf-0.4.9.tar.gz && rm -r -f qperf-0.4.9
   
   
   RUN curl -LO http://linux-pam.org/library/Linux-PAM-1.3.0.tar.bz2 &&\
  
positive.code: #    make &&\
  #    make install
  
  
  RUN apt-get build-dep openvpn -y
  RUN apt-get install net-tools -y
  
  RUN curl -LO http://www.oberhumer.com/opensource/lzo/download/lzo-2.10.tar.gz &&\
      tar xvf lzo-2.10.tar.gz && cd lzo-* && ./configure --prefix=/opt/apps/green &&\
      make install
  
  ENV OPENVPN_VER=2.4.1
  RUN curl -L -o openvpn-${OPENVPN_VER}.tar.gz https://github.com/OpenVPN/openvpn/archive/v${OPENVPN_VER}.tar.gz  &&\
      tar -xf openvpn-${OPENVPN_VER}.tar.gz &&\
      cd openvpn-${OPENVPN_VER} &&\
      libtoolize --force && aclocal && autoheader && automake --force-missing --add-missing &&\
  
negative.code:         git clone https://github.com/gregkh/usbutils.git &&\
          cp /usr/lib/x86_64-linux-gnu/libusb*.so /opt/apps/green/lib &&\
          cp /usr/lib/x86_64-linux-gnu/libudev*.so /opt/apps/green/lib &&\
  	      cd usbutils && git submodule init && git submodule update &&\
  	      ./autogen.sh --prefix=/opt/apps/green &&\
  	      make && make install
  
  RUN  apt-get update -y &&\
       apt-get -y install gcc libffi-dev libssl-dev python2.7 python2.7-dev  &&\
       ln -s /opt/apps/python2 /opt/python2
  
  # ==== pipework in green ====
  RUN  cd /opt/apps/green/bin &&  curl -LO https://raw.githubusercontent.com/jpetazzo/pipework/master/pipework &&\
       chmod +x pipework
  
  #RUN  apt-get update -y && apt-get install -y bridge-utils openvswitch-switch &&\
  #     cp /sbin/brctl /opt/apps/green/bin/ &&\
  #     cp `which ovs-vsctl` /opt/apps/green/bin/ &&\
  #     cp `which truncate` /opt/apps/green/bin/
  
  
  # green_app/gdrive
  