# MCM – Installation auf Raspberry Pi 4 (Debian)

## 1. Abhängigkeiten installieren

```bash
sudo apt update
sudo apt install -y python3 python3-venv python3-pip mariadb-server usb-modeswitch
```

## 2. MariaDB einrichten

```bash
sudo mysql_secure_installation
sudo mysql -u root -p <<EOF
CREATE DATABASE mcm CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
CREATE USER 'mcm'@'localhost' IDENTIFIED BY 'SICHERES_PASSWORT';
GRANT ALL PRIVILEGES ON mcm.* TO 'mcm'@'localhost';
FLUSH PRIVILEGES;
EOF
```

## 3. Projekt deployen

```bash
sudo mkdir -p /opt/mcm
sudo cp -r /home/pi/MCM/* /opt/mcm/
sudo python3 -m venv /opt/mcm/.venv
sudo /opt/mcm/.venv/bin/pip install -r /opt/mcm/requirements.txt
```

## 4. Konfiguration

```bash
sudo cp /opt/mcm/.env.example /opt/mcm/.env
sudo nano /opt/mcm/.env
# DATABASE_URL=mysql+pymysql://mcm:PASSWORT@localhost:3306/mcm
# TELEGRAM_TOKEN=...
# WHATSAPP_ID_INSTANCE=...
# WHATSAPP_API_TOKEN=...
# API_KEY=sicherer-key
```

## 5. systemd-Dienst aktivieren

```bash
sudo cp /opt/mcm/install/mcm.service /etc/systemd/system/
sudo systemctl daemon-reload
sudo systemctl enable mcm
sudo systemctl start mcm
sudo systemctl status mcm
```

## 6. TUI manuell starten

```bash
cd /opt/mcm
.venv/bin/python main.py
```

## USB-Modem

Das Modem erscheint typischerweise als `/dev/ttyUSB0`. Prüfen mit:
```bash
lsusb
dmesg | grep tty
```

`usb-modeswitch` schaltet das Gerät von Speicher- in Modem-Modus.
Der Dienst-User braucht Mitgliedschaft in der Gruppe `dialout`:
```bash
sudo usermod -aG dialout pi
```