diff --git a/test/security/k8s/vagrant/dublin/Vagrantfile b/test/security/k8s/vagrant/dublin/Vagrantfile
index ce442eb..b8abcd1 100644
--- a/test/security/k8s/vagrant/dublin/Vagrantfile
+++ b/test/security/k8s/vagrant/dublin/Vagrantfile
@@ -8,6 +8,8 @@
 synced_folder_main = "/vagrant"
 synced_folder_config = "#{synced_folder_main}/config"
 cluster_yml = "cluster.yml"
+apt_prefs_dir = "/etc/apt/apt.conf.d"
+apt_prefs = "95silent-approval"
 
 vm_memory = 2 * 1024
 vm_cpus = 1
@@ -35,6 +37,11 @@
   usermod -aG docker "$USER"
 SCRIPT
 
+$setup_debconf = <<-SCRIPT
+  echo "Setting debconf frontend to noninteractive"
+  sed -i'.orig' '/^Config:/a Frontend: noninteractive' /etc/debconf.conf
+SCRIPT
+
 $install_sshpass = <<-SCRIPT
   apt-get update
   echo "Installing 'sshpass'"
@@ -69,11 +76,11 @@
   done
 SCRIPT
 
-$link_cluster_yml = <<-SCRIPT
+$link_file = <<-SCRIPT
   SYNC_DIR="$1"
-  CLUSTER_YML="$2"
-  src="${SYNC_DIR}/${CLUSTER_YML}"
-  dst="$HOME"
+  FILE="$2"
+  src="${SYNC_DIR}/${FILE}"
+  dst="$3"
   echo "Symlinking ${src} to ${dst}"
   ln -sf "$src" "$dst"
 SCRIPT
@@ -115,6 +122,11 @@
         config.vm.synced_folder ".", synced_folder_main, type: "rsync", rsync__exclude: "Vagrantfile"
         config.vm.synced_folder "../../tools/config", synced_folder_config, type: "rsync"
 
+        config.vm.provision "setup_debconf", type: :shell, inline: $setup_debconf
+        config.vm.provision "link_apt_prefs", type: :shell, run: "always" do |s|
+          s.inline = $link_file
+          s.args = [synced_folder_config, apt_prefs, apt_prefs_dir]
+        end
         config.vm.provision "link_dotfiles_root", type: :shell, run: "always" do |s|
           s.inline = $link_dotfiles
           s.args = synced_folder_config
@@ -140,8 +152,8 @@
         config.vm.provision "get_rke", type: :shell, path: "../../tools/dublin/get_rke.sh"
         config.vm.provision "link_cluster_yml", type: :shell, run: "always" do |s|
           s.privileged = false
-          s.inline = $link_cluster_yml
-          s.args = [synced_folder_main, cluster_yml]
+          s.inline = $link_file
+          s.args = [synced_folder_main, cluster_yml, "$HOME"]
         end
 
         config.vm.post_up_message = operation_post_msg