--- /dev/null
+#! /bin/sh
+
+# Warm up DNS
+host -t ns pool.ntp.org
+host pool.ntp.org
+{% if ansible_facts.os_family == 'Debian' %}
+host 0.debian.pool.ntp.org
+host 1.debian.pool.ntp.org
+host 2.debian.pool.ntp.org
+host 3.debian.pool.ntp.org
+{% endif %}
+
+ntpdate{% if ansible_facts.os_family == 'Debian' %}-debian{% endif %} -b &&
+hwclock --systohc --update-drift &&
+
+hwclock --get &&
+exec date