oth old and new PostgreSQL binaries available. To do so, we will use FreeBSD's ports system, without `... ust path if you run it outside a jail.
```bash
sudo -u postgres -i
# locale and encoding may vary
in... ION} -D /home/postgres/data${PSQLNEWVERSION} -c
# do upgrade
pg_upgrade -b /var/ports/basejail/usr/por