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@zmod_help_bot

If you only need notifications in Telegram, then use the Notify plugin

If you only need notifications in Telegram, then use the Notify plugin

Core Idea: Our hardware is very slow and has limited memory. Therefore, running the moonraker-telegram-bot directly on the hardware is impractical. However, we can run it on an external server. This requires any server (physical/virtual) that the printer can reach via SSH.

The new version automatically generates SSH keys (used for passwordless authentication).

Key locations:

• ‎/mod_data/ssh.pub.txt — public key. Copy its contents to the server's ~/.ssh/authorized_keys file.
• ‎/mod_data/ssh.key — private key. Used by the printer to connect to the server.

You don’t need the keys themselves. Simply call the ZSSH_ON macro with the following parameters:

• SSH_SERVER — IP or hostname of your server
• SSH_PORT — SSH port on the server (default: 22)
• SSH_USER — SSH server username
• VIDEO_PORT — Server port for receiving video stream from the camera (default: 8080)
• MOON_PORT — Server port for receiving data from moonraker (default: 7125)
• REMOTE_enN — Command to execute on the remote server

SSH usage consumes approximately 300 KB of memory.

If the printer and server are on the same network, SSH is optional. Refer to the telegram.conf configuration file. Download the configuration file from the printer at mod/telegram/. Sample-config

How to register your bot:

1. Go to @BotFather
2. Send /newbot
3. Enter any name you like
4. Enter the bot name (must end with _bot, e.g., ff5msuper_bot)
5. You’ll receive a long ID — add this to the bot’s bot_token parameter in the settings.

If you only need notifications in Telegram, then use the Notify plugin

Install the Telegram bot with one command on Debian:

Execute as the root user:

bash <(wget --cache=off -q -O - https://github.com/ghzserg/zmod_ff5m/raw/refs/heads/1.6/telegram/telegram.sh)

If wget is not installed:

apt update && apt install wget -y

This script will:

1. Install Docker
2. Download docker-compose.yml and telegram.conf Sample-config
3. Create a tbot user
4. Guide you through bot registration and request the bot_token
5. Guide you to obtain the chat_id and request it
6. Install ff5m.sh

Add SSH keys manually.

If you only need notifications in Telegram, then use the Notify plugin

1. Copy docker-compose.yml from the printer’s mod/telegram/ directory.
2. Install Docker (Debian instructions):

apt update 
apt upgrade -y
apt install docker.io docker-compose docker apparmor -y

3. Create a directory for the bot:

mkdir bot1
cd bot1

4. Place docker-compose.yml here.

5. Create subdirectories:

mkdir config log timelapse_finished timelapse
chmod 777 config log timelapse_finished timelapse

6. Copy telegram.conf from mod/telegram/ to config/ and edit it.

Sample-config

For more bot configuration details, see here.

7. Start the bot:

docker-compose up -d

8. Create a user and grant permissions:

useradd tbot
usermod -a -G docker tbot

1. Log in as the tbot user:

   su - tbot

2. Add SSH keys:

   mkdir .ssh
   cat > .ssh/authorized_keys

   Paste the public key from mod_data/ssh.pub.txt, then press Ctrl + D.

After setup, run the ZSSH_ON macro on the printer with the required parameters.

SSH will automatically restart 3 minutes after each reboot.

Edit the docker-compose.yml file.

Add:

  spoolman:
    image: ghcr.io/donkie/spoolman:latest
    restart: unless-stopped
    volumes:
      - ./spoolman:/home/app/.local/share/spoolman
    ports:
      - "7912:8000"
    environment:
      - TZ=Asia/Yekaterinburg

Open the port in the firewall, if you are using one:

iptables -I INPUT -p tcp --dport 7912 -j ACCEPT

Create the spoolman directory:

mkdir spoolman
chmod 777 spoolman

Restart Docker:

docker-compose down && docker-compose up -d

or

docker compose down && docker compose up -d

On the printer, add to mod_data/user.moonraker.conf

external_IP — the external IP address of the server running Docker.

The printer MUST have access to this IP.

[spoolman]
server: http://external_IP:7912
sync_rate: 5

Edit the file docker-compose.yml

Specify your time zone. The example file specifies TZ=Asia/Yekaterinburg

docker-compose down && docker-compose up -d or docker compose down && docker compose up -d

If you only need notifications in Telegram, then use the Notify plugin

Download Debian Minimal/IOT images with Armbian from the website https://www.armbian.com/download/

Install Armbian on an SD card using balenaEtcher from https://etcher.balena.io/

Boot the system, set a root password, and create a new user

Proceed under the root user:

su - root

Configure Wi-Fi if not set up during user creation:

sudo armbian-config

Update the system:

sudo apt update && sudo apt upgrade -y

Install AppArmor (Linux kernel security module):

sudo apt install -y apparmor apparmor-utils

Install Telegram bot:

bash <(wget --cache=off -q -O - https://github.com/ghzserg/zmod_ff5m/raw/refs/heads/1.6/telegram/telegram.sh)

Add SSH keys: Switch to the tbot user from root:

su - tbot

Set up SSH keys:

mkdir -p .ssh
cat > .ssh/authorized_keys

Enter the public key from the file mod_data/ssh.pub.txt on your host system, then press CTRL+D

Reboot the system:

sudo reboot

If you only need notifications in Telegram, then use the Notify plugin

Download and install helm https://helm.sh/docs/intro/install/

Clone helm chart from repo

git clone https://github.com/aldiserg/zmod_ff5m_tg_bot.git

Changes:

1. persistence.enabled change to "false" if you nont planned to store timelapses

2. persistence.volumes...storageClass change if you will use external storage

3. configMapAsFile.data.telegram.conf - this is main config file, should be changed a few lines:

   [bot]
   server: 3D_printer_host:7125
   bot_token: 1111111111:AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
   chat_id: 111111111
   
   [camera]
   host: http://3D_printer_host:8080/?action=stream
   host_snapshot: http://3D_printer_host:8080/?action=snapshot
   

How to get bot_token and chat_id look here

Installation:

You should be in helm chart folder to run install/upgrade command

helm upgrade --install zmod_ff5m_tg_bot ./ -n default -f values.yaml