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Software

To infinity and beyond – displaying huge numbers in Grafana

If you want to display a huge number, lets say 6 digits or more, showing the full number does not look very good and takes too much space. Here is a quick tip on how to show these bigger numbers in a more concise format. Single stat panel with a Read more…

By Oliver, 2 weeks10.03.2023 ago
Software

Fixing Docker stats and Cadvisor CPU usage (on a Raspberry Pi)

Prometheus works great for collecting server stats on a Raspberry Pi but was missing some information on a Raspberry Pi in docker stats and the cadvisor used more CPU than the containers it was monitoring. Here is how fixed those issues. Cleaning up & fixing the downloaded dashboards When I Read more…

By Oliver, 8 months01.08.2022 ago
Software

Monitoring your smart home server with prometheus on a Raspberry Pi – use the power of professional tools

To analyze errors or just to watch what is happening: your smart home gets so much better with some proper monitoring. Prometheus + Grafana is one of THE solutions for monitoring pretty much anything. Getting it to run on a Raspberry Pi does not need much time but still can Read more…

By Oliver, 8 months25.07.2022 ago
Software

I updated my Grafana dashboard – how to use rows and time series for a better structure

I love my Grafana dashboard to see everything important in my smart home on glance. Using rows and the modern time series panel makes it even better. Let me show you how I updated my dashboard. Grafana dashboards Grafana is this awesome open tool to create dashboards. I have set Read more…

By Oliver, 9 months07.07.2022 ago
Basics

Stopping the annoying flood of errors from InfluxDB

InfluxDB (1.8) is a great database but it logs every web access as an error by default. This creates a lot of error entries in a log aggregation tool like Loki. There is a simple fix though. Loki & log aggregation Loki is a great tool to aggregate logs from Read more…

By Oliver, 9 months27.06.2022 ago
Basics

Taming Loki’s hunger – reclaiming disk space used by limiting the Loki log size (for the docker plugin)

The Grafana Loki logging aggregator is a great tool to collect logs from lots of places (Docker containers) in one place. Loki log size can unfortunately grow quite big though with the default settings. When my Raspberry Pis SD card was nearly full I looked for some ways to combat Read more…

By Oliver, 9 months15.06.2022 ago
Software

My 10 favorite & most useful smart home tools – for your DIY smart home

Building a DIY smart home needs a good set of software tools to write code, monitor your devices and update data. Here are my favorite smart home tools. Over the years I have used quite a lot and those turned out to be the best for the job so far. Read more…

By Oliver, 1 year08.03.2022 ago
Automation

Monitoring Raspberry Pis with Home Assistant – get ahead of any failure with this simple setup

A smart home server is the heart of your setup. It needs to be running well to power everything else. Monitoring Raspberry Pis, my favorite low power server, is easy to set up and helps you to detect errors early on. This is how you can easily set up monitoring Read more…

By Oliver, 1 year15.11.2021 ago
Software

How to build a dynamic dashboard in Grafana

Grafana is an awesome tool to visualize your smart home data. It gets even better if you create a dynamic dashboard though. Change the datasource for a set of diagrams with one click – easy, show all values of a certain type in one diagram? – possible! All of this Read more…

By Oliver, 1 year01.11.2021 ago
Software

Building a full home server – easy and effectively running 10+ services with Docker and Docker-compose

To host services on your own server you need a simple way of running them. A great combination here is Docker and docker-compose for running your services. After some initial setup this combination is very simple to use, easy to extend and really powerful. This is how I run my Read more…

By Oliver, 1 year25.10.2021 ago

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This is my personal slice of the Internet, a place to show my projects and share ideas about all things smarthome, IoT and design

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