Reboot Message send to Telegram

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How to send a Telegram Message uppon reboot

  • Create /usr/sbin/reboot-message.sh
#!/bin/bash
#Send a Telegram message on boot
#---------------------------------
TELEGRAM_CHAT_ID="Your Chat ID"
TELEGRAM_BOT_TOKEN="Your Bot Token"
#---------------------------------
ipaddr=$(/usr/bin/curl --connect-timeout 1 --silent ipconfig.io)
Hostname=`hostname`
NOW=$( date '+%F_%H%M%S' )
export LANG=C
MESSAGE="$(echo "Reboot Notification
IP: $ipaddr
Host: $Hostname
Date: $NOW ")"
logger "Debug Reboot Message"
logger $MESSAGE
 /usr/bin/curl --connect-timeout 5 --max-time 10 --silent --output /dev/null \
   --data-urlencode "chat_id=${TELEGRAM_CHAT_ID}" \
   --data-urlencode "text=${MESSAGE}" \
   --data-urlencode "parse_mode=HTML" \
   --data-urlencode "disable_web_page_preview=true" \
   "https://api.telegram.org/bot${TELEGRAM_BOT_TOKEN}/sendMessage"