apt dist-upgrade reboot enabled, lint fixes
second round, for testing
lint clean, testing needed
prereqs assert w/dig doesn't loop properly
use head not all for target hosts in single

Change-Id: Ie530204b989a73828f45508fcdd4374a3362c764
diff --git a/scripts/single-node-pod.sh b/scripts/single-node-pod.sh
index 70a56aa..3f24801 100755
--- a/scripts/single-node-pod.sh
+++ b/scripts/single-node-pod.sh
@@ -27,7 +27,7 @@
 function bootstrap() {
     cd ~
     sudo apt-get update
-    sudo apt-get -y install software-properties-common curl git mosh tmux dnsutils python-netaddr
+    sudo apt-get -y install software-properties-common curl git tmux dnsutils python-netaddr python-dnspython
     sudo add-apt-repository -y ppa:ansible/ansible
     sudo apt-get update
     sudo apt-get install -y ansible
@@ -52,7 +52,7 @@
     if [[ "$XOS_REPO_URL" != "" ]]; then
         extra_vars="$extra_vars xos_repo_url=$XOS_REPO_URL"
     fi
-    if [[ "$XOS_BRANCH" != "" ]]; then 
+    if [[ "$XOS_BRANCH" != "" ]]; then
         extra_vars="$extra_vars xos_repo_branch=$XOS_BRANCH"
     fi