Script to disable Auto Updater on Ubuntu 16.04

disable_auto_updater.sh

#!/usr/bin/env bash

# Script to disable auto-updater on Ubuntu 16.04

# Disable the automatic package updates
echo "Disabling automatic package updates and upgrades"
sudo sed -i 's/"1"/"0"/g' /etc/apt/apt.conf.d/10periodic /etc/apt/apt.conf.d/20auto-upgrades

# Stop and disable apt updater/upgrade timers/services
sudo systemctl disable --now apt-daily.timer
sudo systemctl disable --now apt-daily.service

sudo systemctl disable --now apt-daily-upgrade.timer
sudo systemctl disable --now apt-daily-upgrade.service

# Disable update notifier
sudo apt remove -y appstream
sudo sed -i 's|^/*|//|' /etc/apt/apt.conf.d/99update-notifier

# Disable major OS upgrade prompts
sudo sed -i 's/Prompt=.*$/Prompt=never/' /etc/update-manager/release-upgrades