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Showing posts from September, 2025

Node-Red & Mosquitto quick install, Linux, Ubuntu, Raspberry OS

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Updated 2025-09-08 ! A fantastic way to distribute data between devices is using MQTT . In this post I will do a quick and simple setup with Node-Red(NR) and the Mosquitto(MQ) broker on a Linux machine. Very short, the Broker , installed on a server, handles incoming Publishing and Subscriptions from clients. Every published  Message is "linked" to a Topic.  All Subscribers use a  Topic to "link" to the right Message . How to install Node-Red(NR)  is found here  and the MQ manual here .

ZeroTier Tutorial: Secure Remote Access to Home Assistant & Ubuntu Server + Desktop

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For a long time I have checked for a good solution to reach my servers at home. My  thoughts   now have finalized in the VPN solution Zero Tier(ZT) where I reach Ubuntu desktop with "RDP" and Ubuntu server with "ssh". The ZT solution also works great with the Home Assistant(HA) browser access and the HA Mobile App. Until now I have used remote.it but ZT will manage all of my network resources as if they were on the same LAN . The Ubuntu desktop installation is running a Linux KVM with HA and an Ubuntu server Lite as  guests .  Setup here .

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