Download a new UniFi Controller Firmware and install it

unifi_controller_update.sh

#!/usr/bin/env bash

# Download a new UniFi Controller Firmware and install it
# Used to to automate the installation of newer controller firmware on a UniFi Cloud Key

# Author: Joerg Hochwald
# Copyright: Copyright (c) 2019, Joerg Hochwald - All rights reserved.
# LICENSE: License: https://opensource.org/licenses/BSD-3-Clause

# THIS CODE IS MADE AVAILABLE AS IS, WITHOUT WARRANTY OF ANY KIND. THE ENTIRE RISK OF THE USE OR THE RESULTS FROM THE USE OF THIS CODE REMAINS WITH THE USER.

if [ $1 ]; then
	echo "Param is $1"

	# File Name (e.g. where to save)
	FILE=/tmp/unifi_sysvinit_all.deb

	# make sure we are in the temp directory, just in case
	cd /tmp

	# Get the new file
	wget $1 -O $FILE

	# Check if we get the file
	if test -f "$FILE"; then
		# Install the new file
		dpkg -i $FILE

		# Cleanup
		rm -rf $FILE
	fi
else
	echo "Please use the Source URL (From the UBNT Forum?) as parameter!"
	echo 'Sample: ./unifi_controller_update.sh https://dl.ui.com/unifi/5.10.24/unifi_sysvinit_all.deb'
fi