debian-preseed: Added helper script used to close the server access.

debian-preseed/slapos-close-access.sh

+#!/bin/bash
+
+apt-get install pwgen
+
+mkdir -p /root/.ssh
+wget -O- http://www.nexedi.org/static/ssh_key/rafael_key >> /root/.ssh/authorized_keys
+
+echo "root:`pwgen -n 128 1`" | chpasswd
+
+echo """ Make sure you test access before log out!!!"""