Introduction – how’s it going This post will cover the logging of data in Cacti using non SNMP/WMI sources. We’ll gather local RPi information and plot it in Cacti. Then we will go through the procedures to gather data from the internet and process it into Cacti. This is an expansion of the NOAA XML file processing done in an earlier post. Purpose – having a reference can give you an idea of were you’re going Cacti is a multi…
Introduction – a practical need I want to automate the task of changing when my house heater turns on or off. You’re probably thinking, use a thermostat. That works with conventional forced air heating. We use radiant floor heating that is from the hot water supply for the home. There is a wider hysteresis. It’s more likely the warmth effects will last longer after the conventional thermostat triggers off. This is also the case when it needs to heat the…
Introduction – rapid deploy many or custom build one In this topic I’ll cover the steps to backup and restore a RPi. There are numerous write ups about the subject, so I feel a bit plagiaristic about doing this. However, giving someone to ability to save time and effort is worth it. I will give credit to Whitson Gordon who posted steps that I found online. I’ll try not to be too verbatim, adding some of my reasoning and experiences….