anchor.diff:  #
   # add this if you're having trouble connecting:
   # JVM_OPTS="$JVM_OPTS -Djava.rmi.server.hostname=<public name>"
  -JVM_OPTS="$JVM_OPTS -Djava.rmi.server.hostname=`uname -n`"
   #
   # see
   # https://blogs.oracle.com/jmxetc/entry/troubleshooting_connection_problems_in_jconsole
  
positive.code: # JMX connections.
  # For security reasons, you should not expose this port to the internet.  Firewall it if needed.
  JMX_PORT="7199"
  #LOCAL_JMX=no
  if [ "$LOCAL_JMX" = "yes" ]; then
    JVM_OPTS="$JVM_OPTS -Dcassandra.jmx.local.port=$JMX_PORT"
    JVM_OPTS="$JVM_OPTS -Dcom.sun.management.jmxremote.authenticate=false"
  
negative.code: # Determine the sort of JVM we'll be running on.
  java_ver_output=`"${JAVA:-java}" -version 2>&1`
  jvmver=`echo "$java_ver_output" | grep '[openjdk|java] version' | awk -F'"' 'NR==1 {print $2}' | cut -d\- -f1`
  JVM_VERSION=${jvmver%_*}
  JVM_PATCH_VERSION=${jvmver#*_}
  
  if [ "$JVM_VERSION" \< "1.8" ] ; then
  