Normally my lab environments are primarily made up of Meraki devices so there is no need for a terminal server. However, I recently started building out a large lab environment in my home lab which was a mix of Meraki and Cisco Firewalls. I needed to be able to get to the console of two firewalls and a management server. While I could easily go into the basement and plugin a USB-Serial adapter into my Macbook and connect to each device individually, it wasn’t exactly convenient. I also needed to make the console for each of these devices available to remote administrators. My initial reaction was to hit up Amazon…
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MQTT Broker Bridging
Some IOT devices such as smart home sensors and security cameras can send real time information using the MQTT protocol to other systems for collection, forwarding, and further processing. For the purpose of simplicity you will have two types of devices, clients and brokers. Both types of devices can publish and subscribe to these streams of data. These streams of data are designated as a topic. This allows a device to publish specific pieces of data and subscribe to specific pieces of data. Think of this as a way to filter the amount of data that is processed. The intent of this short blog article is to address a common…