How to send log events into Telegram

16:04 Aug.31-2018

This is simple manual how to send log events into Telegram

Telegram - Telegram messages are heavily encrypted and can self-destruct. Cloud-Based. Telegram lets you access your messages from multiple devices.

Register Telegram bot

First of all you need to register your own tgbot https://core.telegram.org/bots

tgbot_id: 123123:AAF1lJ123mDfr

Find your chat_id

Sing in into your Tg app
Find you own tgbot
Send test message to your tgbot

After you should find your chat_id

curl "https://api.telegram.org/bot123123:AAF1lJ123mDfr/getUpdates"|jq .

{
  "ok": true,
  "result": [
    {
      "update_id": 12345,
      "message": {
        "message_id": 21,
        "from": {
          "id": 333333,
          "is_bot": false,
          "first_name": "aaaaa",
          "language_code": "en-us"
        },
        "chat": {
          "id": 333333,
          "first_name": "aaaaa",
          "type": "private"
        },
        "date": 1535731935,
        "text": "test message"
      }
    }
  ]
}

Your chat_id is 333333

Receive messages

Create script echo_tg_bot.sh

#!/bin/bash

CHATID="333333"
KEY="123123:AAF1lJ123mDfr"
TIME="10"
URL="https://api.telegram.org/bot$KEY/sendMessage"
TEXT=$(tee)

curl -s --max-time $TIME -d "chat_id=$CHATID&disable_web_page_preview=1&text=$TEXT" $URL >/dev/null

Test this script

echo 123|/home/ubuntu/echo_tg_bot.sh

Additional examples

/home/ubuntu>crontab -l

# m h  dom mon dow   command

PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin

0   2   *   *   *   find /st -mtime +14 -exec rm {} \; |/home/ubuntu/echo_tg_bot.sh