Howto guide for upgrading PostgreSQL from version 14 to 15 on Ubuntu, after its upgrade from version 22.10 to 23.04 (Lunar Lobster).| Paolo Melchiorre
Howto guide for upgrading PostgreSQL from version 12 to 13 on Ubuntu, after its upgrade from version 20.10 to 21.04 (Hirsute Hippo).| Paolo Melchiorre
Howto guide for upgrading PostgreSQL from version 11 to 12 on Ubuntu, after its upgrade from version 19.10 to 20.04 (Focal Fossa).| Paolo Melchiorre
Howto guide for upgrading PostgreSQL from version 10 to 11 on Ubuntu, after its upgrade from version 18.10 to 19.04 (Disco Dingo).| Paolo Melchiorre
Howto guide for upgrading PostgreSQL from version 9.6 to 10.0 on Ubuntu, after its upgrade from version 17.10 to 18.04 (Bionic Beaver).| Paolo Melchiorre