diff -r f26dc3004b3f -r 0dcd4f8c2b8a extra/soundsoftware/scripted-deploy/vagrant/Vagrantfile
--- a/extra/soundsoftware/scripted-deploy/vagrant/Vagrantfile
+++ b/extra/soundsoftware/scripted-deploy/vagrant/Vagrantfile
@@ -2,8 +2,7 @@
 # vi: set ft=ruby :
 
 Vagrant.configure("2") do |config|
-#  config.vm.box = "ubuntu/xenial64"
-  config.vm.box = "centos/7"
+  config.vm.box = "ubuntu/xenial64"
   config.vm.network "forwarded_port", guest: 80, host: 8080
   config.vm.synced_folder "../../../..", "/vagrant-code"
   config.vm.provision :shell, path: "vagrant-provision.sh"
diff -r f26dc3004b3f -r 0dcd4f8c2b8a extra/soundsoftware/scripted-deploy/vagrant/provision.d/000-system-packages.sh
--- a/extra/soundsoftware/scripted-deploy/vagrant/provision.d/000-system-packages.sh
+++ b/extra/soundsoftware/scripted-deploy/vagrant/provision.d/000-system-packages.sh
@@ -4,7 +4,12 @@
 
 if [ -x /usr/bin/yum ]; then
 
-    # assumption: CentOS 7
+    # Assumption: CentOS 7
+
+    # This doesn't work -- I got hung up on the problem of making a
+    # sufficiently recent Ruby act as the system /usr/bin/ruby without
+    # massively overcomplicating things, and decided not to persist
+    # with it
 
     yum install -y epel-release centos-release-scl && \
         yum update -y && \
@@ -36,7 +41,9 @@
     
 else
 
-    # assumption: Ubuntu 16.04
+    # Assumption: Ubuntu 16.04
+
+    # This is the working one!
 
     apt-get update && \
         apt-get dist-upgrade -y && \