PostgreSQL 9.3 -> 9.4 PO box upgrade.sh

#!/bin/bash
# Run as:
#  curl -s "<url to this>" | sudo time bash

service tomcat7_default stop
apt-get install -y postgresql-9.4-postgis-2.1

service postgresql stop

pg_dropcluster --stop 9.4 main
pg_upgradecluster -k -v 9.4 -m upgrade 9.3 main /var/lib/postgresql/9.4/main

ln -f -s /etc/ssl/certs/ssl-cert-snakeoil.pem /var/lib/postgresql/9.4/main/server.crt
ln -f -s /etc/ssl/private/ssl-cert-snakeoil.key /var/lib/postgresql/9.4/main/server.key

pg_dropcluster --stop 9.3 main

echo "Now run 'bin/po-box.sh' on the host"