Upgrading PostgreSQL

author: Nathan Acks
date: 2021-11-25

sudo -u postgres pg_dropcluster --stop $NEW_VER main
sudo -u postgres pg_upgradecluster $OLD_VER main
sudo -u postgres pg_dropcluster --stop $OLD_VER main

Where $OLD_VER and $NEW_VER are the old and new major version numbers (e.g., 13 and 14).