anchor.diff:  		647F28654894E3BD457199BE38DBBDC86092693E
   
   # updated via "update.sh"
  -ENV LINUX_VERSION 4.14.92
  +ENV LINUX_VERSION 4.14.97
   
   RUN wget -O /linux.tar.xz "https://cdn.kernel.org/pub/linux/kernel/v${LINUX_VERSION%%.*}.x/linux-${LINUX_VERSION}.tar.xz"; \
   	wget -O /linux.tar.asc "https://cdn.kernel.org/pub/linux/kernel/v${LINUX_VERSION%%.*}.x/linux-${LINUX_VERSION}.tar.sign"; \
  
positive.code: 
  # https://github.com/xenserver/xe-guest-utilities/tags
  # updated via "update.sh"
  ENV XEN_VERSION 7.10.0
  
  RUN wget -O /xen.tgz "https://github.com/xenserver/xe-guest-utilities/archive/v$XEN_VERSION.tar.gz"; \
  	mkdir /usr/src/xen; \
  
negative.code: 
  # http://download.virtualbox.org/virtualbox/
  # updated via "update.sh"
  ENV VBOX_VERSION 5.2.26
  # https://www.virtualbox.org/download/hashes/$VBOX_VERSION/SHA256SUMS
  ENV VBOX_SHA256 b927c5d0d4c97a9da2522daad41fe96b616ed06bfb0c883f9c42aad2244f7c38
  # (VBoxGuestAdditions_X.Y.Z.iso SHA256, for verification)
  
  RUN wget -O /vbox.iso "https://download.virtualbox.org/virtualbox/$VBOX_VERSION/VBoxGuestAdditions_$VBOX_VERSION.iso"; \
  