Script for sending sms on server start

notify-up.sh

#!/bin/bash

set -x
msg="$SERVER has started."

shutdown_dt=$(last -x --time-format iso |grep shutdown | head -n 1 | awk '{print $7}')
if [ -n "$shutdown_dt" ]; then
  msg="$msg Shutdown at $shutdown_dt"
fi

echo $msg | /usr/local/bin/send-sms.sh $PHONE