ByteProject

# HOW TO MOUNT AMIGA FFS MEDIA IN UBUNTU LINUX
# Linux comes with built-in support for Amiga FastFileSystem (AFFS).

# First we need to create a directory for mounting the partition.
sudo mkdir /media/AmigaMount

# Fire up fdisk to check the device name.
sudo fdisk -l 

# My device is /dev/sdb. Using parted.

dideler

TL;DR

Create a backup:

pg_dumpall > mybackup.sql

Perform the upgrade:

sudo pg_dropcluster 9.4 main --stop