monitor-website.sh

#!/bin/bash
# Program name: monitor-website.sh
# Written by Brian Tissue August 30th 2018

if [ "$(whoami)" != "root" ]; then
echo "Not running as root. Exiting..."
echo "Please use sudo -s then run this script again as root."
exit 0
else
echo "Running as root. Good"
fi

# URL You want to check ##############################################################

url="https://site-i-want-to-monitor.com"

# check url ##########################################################################
        curl -fsSk -m 10 $url > /dev/null # This includes a webserver timeout of 10 seconds it'll alarm
        if [ "$?" -eq 0 ]; # so if we have exit status of zero then webserver is RESPONDING
        then
                echo "Web server on $url is actively responding $(date)" >> /full-path/website-check-results.txt
                exit 0
        else
                if [ "$?" -ne 0 ]; # so if we have exit status of anything but zero then the server is not RESPONDING
                then
                echo "Website is Currently Not Responding to Web Requests $(date)" | mutt -s "$url Currently Not Responding" -- emailaddress@emaildomain.com
                fi
        fi
# monitor-website.sh v2 ###############################################################

This code is pretty good, but it doesn't send an email update when the server comes back online.