For the past few years, I've been trying to understand how to make graphs using RRDtool (Round-Robin Database tool) after failing miserably to understand MRTG (Multi-Router Traffic Grapher) before that. The thing I like about RRDtool is that it's newer and supports a wider variety of data sources.

Be Kind, Buffer!

I like to tweet. Not like a bird (well, not usually), but tweeting on Twitter. I like to post silly pictures and say silly things. Unfortunately, a few things usually happen:

I take a bunch of photos within minutes of each other.

I want to post to Twitter and Facebook. more>>

Preparing Data for Machine Learning

When I go to Amazon.com, the online store often recommends products I should buy. I know I'm not alone in thinking that these recommendations can be rather spooky—often they're for products I've already bought elsewhere or that I was thinking of buying. How does Amazon do it? more>>

openHAB

Partners Canonical, openHAB Foundation and Azul Systems have collaborated hard to drive development of the new openHAB 2.0 smart-home platform as a snap package. An alternative to Apple Homekit and Samsung SmartThings, openHAB from openHAB Foundation is completely free and open source, and acts as a control hub for home IoT setups. more>>

Omesh Tickoo and Ravi Iyer's Making Sense of Sensors (Apress)

In today's data-driven world, we are surrounded by sensors collecting various types of data about us and our world. more>>

Low Power Wireless: 6LoWPAN, IEEE802.15.4 and the Raspberry Pi

The Internet of Things (IoT) is one of the new kids on the block. It promises connection of sensors and actuators to the internet, for data to flow both ways, and once on the internet, to become part of new and exciting business systems, reaching up into the realms of big data and artificial intelligence. more>>

CodeLathe's Tonido Personal Cloud

CodeLathe counts Dropbox and OneDrive as competitors to its Tonido Personal Cloud storage service. While the former can cost anywhere from $50 and up per year to store a TB of data, CodeLathe's cross-platform Tonido for the desktop is fully free, and storage space is limited only by users' hard drive capacities. more>>

Wrapping Up the Mars Lander

In my last few articles ("Let's Go to Mars with Martian Lander" and "Mars Lander, Take II: Crashing onto the Surface"), I've been building a variant on the classic video game Lunar Lander, with a few simplificatio more>>

MultiTaction's MT Canvus-Connect

"A new era in visual collaboration" is the promise of MT Canvus-Connect, MultiTaction's new real-time collaboration software that enables visual touchscreen collaboration across remote locations in real time. more>>

Android Candy: Facebook Everything?!?!

When Facebook decided its messenger app would be an entirely separate program from its regular app, I was ticked off. I didn't want to have a second application in order to send private messages. It seemed like a needless extra step. And, I stuck by that opinion until I realized I could integrate regular SMS and MMS messages into Facebook Messenger. more>>

How to Fix the Edge

In December 2016, Peter Levine of the venture firm Andreessen Horowitz published a post with a video titled "Return to the Edge and the End of Cloud Computing" In it, he outlines a pendulum swing between centralized and distributed computing that goes like this: more>>

Tor Security for Android and Desktop Linux

Introduction

Internet service providers in the United States have just been given the green light to sell usage history of their subscribers by S J Res 34, more>>

Simple Server Hardening, Part II

In my last article, I talked about the classic, complicated approach to server hardening you typically will find in many hardening documents and countered it with some specific, simple hardening steps that are much more effective and take a only few minutes. more>>

Mender

The new production release of Mender 1.0, an open-source tool for updating embedded devices safely and reliably, is now available. more>>

VMKings' VPS Hosting Solution

The management team of cloud provider VMKing, as developers themselves, found standard virtual servers not to be well tailored to the developer community—too much or too little space, insufficient security and no support for their preferred Linux OS(!). more>>

Sunshine in a Room with No Windows

I'm a bit of a weather nut. It might be because I'm getting older, but for some reason, the weather fascinates me. I'm not quite to the point that I watch The Weather Channel on a regular basis, but I do check the forecast often. more>>

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