Upgrade from Stretch to Buster

stretch-to-buster.sh

#!/bin/bash
set -eux -o pipefail

# Bug fixes
sudo rm -f /etc/apt/apt.conf.d/99rpimonitor

# Replace stretch with buster in all source lists
sudo sed -i 's/stretch/buster/g' /etc/apt/sources.list.d/*  /etc/apt/sources.list

# Run the upgrade
sudo apt-get update
sudo apt-get --yes dist-upgrade 

# Remove unneeded packages
sudo apt-get update
sudo apt-get --yes autoremove

# Remove orphan packages
sudo aptitude purge ~o
sudo apt-get --yes install deborphan
deborphan --guess-all | xargs sudo apt-get --yes remove
sudo apt-get autoremove