# Raspberry Pi 3 B - watchdog

## Install

```
apt-get install watchdog
```

<p class="callout warning">Warning: Do never call "cat /dev/watchdog" because it will restart your Raspberry Pi 15 seconds after! :-(</p>

## Configure

```bash
vim /etc/watchdog.conf
```

```ini
watchdog-device        = /dev/watchdog
max-load-1             = 24
watchdog-timeout       = 15
```

## Enable as permanent service

```bash
sudo /etc/init.d/watchdog start
#[ ok ] Starting watchdog (via systemctl): watchdog.service.
```