Thanks for [nikito7](https://github.com/nikito7)


```
nano proxmox_sendTemp_2HA
```
  
```bash
#!/bin/bash
#  ___  _    _          _ __      
# / __|| |_ | |_   ___ | '_ \ ___ 
# \__ \|  _||   \ / _ \| .__// -_)
# |___/ \__||_||_|\___/|_|   \___|

host=MQTT_IP
user=MQTT_USERNAME
pass=MQTT_PASSWORD

proxmox_name=pve1

temp=$(cat /sys/class/thermal/thermal_zone2/temp')

mosquitto_pub -h $host -u $user -P $pass -t proxmox/$proxmox_name/cpu_temp -m $temp
```
  
```
chmod +x proxmox_sendTemp_2HA;
```

```bash
while proxmox_sendTemp_2HA; do sleep 10; done
```