> For the complete documentation index, see [llms.txt](https://kawsing.gitbook.io/opensystem/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://kawsing.gitbook.io/opensystem/andoid-shou-ji/shu-mei-pai/mqtt-server.md).

# MQTT Server

mosquitto

```
sudo apt install mosquitto
```

nodejs mqtt

```
sudo npm install mqtt -g
```