anchor.diff:  FROM ubuntu:12.04
   MAINTAINER Mandeep Singh Bhatia "mandeep.singh.bhatia@gmail.com"
   
  -RUN echo "deb http://de.archive.ubuntu.com/ubuntu precise main universe" > /etc/apt/sources.list && \
  -    echo "deb http://packages.ros.org/ros/ubuntu precise main" > /etc/apt/sources.list.d/ros-latest.list && \
  -    apt-get -y update && \
  -    apt-get -y install python-software-properties wget
  +RUN echo "deb http://packages.ros.org/ros/ubuntu precise main" > /etc/apt/sources.list.d/ros-latest.list && \
  +	apt-get -y update && \
  +    apt-get -y install python-software-properties wget byobu
   RUN wget http://packages.ros.org/ros.key -O - | apt-key add - && \
       apt-get -y update 
   RUN apt-get -y install ros-hydro-ros-base ros-hydro-rqt-common-plugins
  
positive.code: RUN rosdep init
  RUN rosdep update
  RUN echo "source /opt/ros/hydro/setup.bash" >> ~/.bashrc
  #RUN source ~/.bashrc
  
negative.code: 
  # docker build -t $USER/ros-hydro .
  # xhost +
  # docker run -v /tmp/.X11-unix/X0:/tmp/.X11-unix/X0 -i -t $USER/ros-hydro /usr/bin/byobu
  # xhost + is stupid and dangerous, so please run 'xhost -' after launching apps 
  # docker export $USER/ros-hydro | gzip -c > /media/lenovo_mandeep/ros-hydro.tgz
  # docker import $USER/ros-hydro < /media/lenovo_mandeep/ros-hydro.tgz
  