__apt-upgrade-clean-deep-reboot.sh

#!/bin/bash
sudo apt update \
&& sudo apt -y dist-upgrade \
&& sudo apt -y autoclean \
&& sudo apt -y clean \
&& sudo apt -y autoremove --purge \
&& dpkg -l linux-{image,headers}-* | awk '/^ii/{print $2}' | egrep '[0-9]+\.[0-9]+\.[0-9]+' | grep -v $(uname -r | cut -d- -f-2) | xargs sudo apt -y purge \
&& sudo reboot