1. dev
mosquitto_pub -h d01cid.ddns.net -u admin -P Passw0rd -t 'd01/srv006/heartbeat/' -m $(date +%s)
mosquitto_sub -h d01cid.ddns.net -u admin -P Passw0rd -t 'd01/srv006/heartbeat/'mosquitto_pub -h d01cid.ddns.net -u admin -P Passw0rd -t 'd01/srv006/heartbeat/' -m $(date +%s)
mosquitto_sub -h d01cid.ddns.net -u admin -P Passw0rd -t 'd01/srv006/heartbeat/'