Upgrade PostgreSQL

Przy upgrade z 9.3 do 9.4

apt-get install postgresql-9.4
sudo pg_dropcluster 9.4 main --stop
sudo pg_upgradecluster 9.3 main
sudo pg_dropcluster 9.3 main

A w razie problemów:

​http://www.gab.lc/articles/migration_postgresql_9-3_to_9-4