anchor.diff:  # installation du systemd au lieu du fakesystemd
   # ceci est necessaire pour pouvoir lancer mysql et openldap comme un service OS
   # avec les commandes "service" et "systemctl".
  -RUN yum -y update
  -RUN yum -y swap -- remove fakesystemd -- install systemd systemd-libs
  -RUN yum clean all; \
  -(cd /lib/systemd/system/sysinit.target.wants/; for i in *; \
  -do [ $i == systemd-tmpfiles-setup.service ] || rm -f $i; done); \
  -rm -f /lib/systemd/system/multi-user.target.wants/*;\
  -rm -f /etc/systemd/system/*.wants/*;\
  -rm -f /lib/systemd/system/local-fs.target.wants/*; \
  -rm -f /lib/systemd/system/sockets.target.wants/*udev*; \
  -rm -f /lib/systemd/system/sockets.target.wants/*initctl*; \
  -rm -f /lib/systemd/system/basic.target.wants/*;\
  -rm -f /lib/systemd/system/anaconda.target.wants/*;
  +RUN apt-get update
  +
   
   # installer d'autres outils
  -RUN yum -y install vim wget tar nc && yum clean all 
  -RUN yum install -y epel-release
  -RUN yum install -y python34
  +RUN apt-get  install -y vim wget tar netcat-openbsd
  +#RUN apt-get  install -y epel-release
  +RUN apt-get  install -y python3.4
   
   # Installer Java 8 (Oracle)
   # inspired from: https://hub.docker.com/r/cooniur/java/
  
positive.code: 
  # force rebuilind all this Dockerfile by changing the date
  ENV REFRESHED_AT 20161013_1730
  
  ENV JAVA_VERSION 8u40
  ENV JAVA_LONG_VERSION 8u40-b26
  ENV JAVA_HOME /opt/java
  
negative.code: FROM arm64v8/debian
  
  #-----------------------------------------------------------------------------
  # Cohorte Base image ARM
  #
  # Contains: 
  # - Debian Stretch 
  # - Oracle JVM 8 
  # - Python 3.4
  #
  # Installed tools:
  # - vim
  # - wget
  # - tar
  # - nc
  # - python 3.4
  #
  #-----------------------------------------------------------------------------
  
  # meta-data
  