---
# System prepended metadata

title: 問題排除
tags: [其他]

---

---
tags: 其他
---

# 問題排除
## 門市連線
示範軟體[mobaxterm](https://mobaxterm.mobatek.net/)
* add new session
![](https://i.imgur.com/f39Mbo5.png)

* SSH設定
    * remote host=門市rpi ip
    
![](https://i.imgur.com/25voYNh.png)

* 輸入帳號、密碼

## 印表機
```bash
#查詢印表機連接
systemctl list-unit-files pos-print.service

#查詢印表機狀態
systemctl status pos-print

#印表機服務重啟
sudo systemctl restart pos-print

#遠端測試列印(不是每台都有放test_print_receipt.sh)
/opt/tk3c/bin/test_print_receipt.sh

```

## API
```bash
# 狀態查詢
sudo systemctl status tomcat

# 重啟Tomee
sudo systemctl restart tomcat
```

## MQTT
```bash
# 重啟
sudo systemctl restart mosquitto
```