Raspberry Pi Cluster Shows You The Ropes

Raspberry Pi clusters are a common enough project, but a lot of the builds we see focus on the hardware side of the cluster. Once it’s up and running, though, what comes next? Raspberry Pis aren’t very powerful devices, but they can still be a great project for learning how …read more

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Grafana Labs nabs $24M Series A for open source-based data analytics stack

Grafana Labs, the commercial company built to support the open source Grafana project, announced a healthy $24 million Series A investment today. Lightspeed Venture Partners led the round with participation from Lead Edge Capital. Company CEO and co-founder Raj Dutt, says the startup started life as a way to offer a commercial layer on top […] Continue reading Grafana Labs nabs $24M Series A for open source-based data analytics stack

Logz.io lands $52M to keep growing open source-based logging tools

Logz.io announced a $52 million Series D investment today. The round was led by General Catalyst. Other investors participating in the round included OpenView Ventures, 83North, Giza Venture Capital, Vintage Investment Partners, Greenspring Associates and Next47. Today’s investment brings the total raised to nearly $100 million, according to Crunchbase data. Logz.io is a company built […] Continue reading Logz.io lands $52M to keep growing open source-based logging tools

Howto: Docker, Databases, and Dashboards to Deal with Your Data

So you just got something like and Arduino or Raspberry Pi kit with a few sensors. Setting up temperature or motion sensors is easy enough. But what are you going to do with all that data? It’s going to need storage, analysis, and summarization before it’s actually useful to anyone. You need a dashboard!

But even before displaying the data, you’re going to need to store it somewhere, and that means a database. You could just send all of your data off into the cloud and hope that the company that provides you the service has a good business model …read more

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