#!/bin/bash set -e # Fix for some providers messing with DNS settings if ! diff /etc/resolv.conf <(echo "nameserver 127.0.0.2") > /dev/null; then echo "Someone messed up our DNS! Fixing it..." echo "nameserver 127.0.0.2" > /etc/resolv.conf {% if 'email' in group_names %} # Just to make sure postfix uses the new settings systemctl restart postfix {% endif %} fi