Employ a startup script

net/remote/remote_startup.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+#
+# Runs at boot on each instance as root
+#
+# TODO: Make the following a requirement of the Instance image
+#       instead of a manual install?
+
+systemctl disable apt-daily.service # disable run when system boot
+systemctl disable apt-daily.timer   # disable timer run
+apt-get --assume-yes install rsync libssl-dev
+