Upgrade PostgreSQL 11 to 13

The newer version of Debian 11 comes with PostgreSQL 13. I have the original PostgreSQL 11 running with all my data. Now I’m going to walk through the process of upgrading from PostgreSQL 11 to 13. Be aware this process will work when upgrading from PostgreSQL 9.6 to 11 or 13. Lets see what’s going on. Run pg_lsclusters to see […]