Securing server-status from behind a proxy
The server-status page gives you a wealth of information about your apache server, and among other things it is necessary for the Apache munin plugin to work. However, by default it exposes sensitive...
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Monitoring your weather station with Munin
In a previous post I wrote about a little bit of software which let you extract information from the output of the Weather Display weather station software. Lately, I’ve been playing around with munin...
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Monitoring a BeBox ADSL line with Munin
Ok, so some of the regular readers of this blog will sense a bit of a theme with my recent posts, and get the feeling that I’m essentially trying to graph the world. Guilty. Anyway, I get my home...
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Using a central log server to monitor your devices
At home, which is also my office, I have a network that has a number of devices connected to it. Some of these devices – wifi base stations, NAS storage, a couple of raspberry pis, media centers – are...
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Connecting linux to the Current Cost EnviR
The current cost meter is an electricity monitoring device which attaches to your house’s electricity meter. It gives you a read out of how much electricity you are using at any given time, and how...
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Graphing electricity usage with a Current Cost meter and Munin
So, last week I wrote about reading data off of a Current Cost EnviR. As you might have predicted from my blog recently, sure as day follows night, I wrote a munin plugin for it. This plugin, written...
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PiFace Experiments : Playing with some outputs
So, a few weeks ago I got a PiFace for my Raspberry Pi. The PiFace is a clip on extension board for the Raspberry Pi which, together with the free library software, makes it super easy to control...
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PiFace Experiments: Traffic lights
In the last experiment I wired up LEDs to each one of the PiFace’s outputs and cycled through them. In this one, I decided to try a slightly more “real world” application, and build a set of traffic...
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Home.API: An extensible Open Source house API
The modern world is full of cool gizmos, but our houses are pretty primitive by comparison. Still, more and more houses are getting water and electricity smart meters of one sort or another. Various...
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PiFace Experiments: Pelican Crossing
Stepping up from traffic lights last time, I decided this time to have a crack at making a Pelican crossing. A Pelican crossing is a pedestrian crossing consisting of two sets of traffic lights, a...
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“Did I shut the window?” a simple Raspberry Pi home security system
So, building on what I did before with lights and switches as well as the stuff I’ve been hacking together with my Home.API, I thought I’d build something that may actually be of practical use. So,...
View Article#indieweb WebMention support for Elgg
WebMention is a modern re-implementation of PingBack, which uses only HTTP and x-www-urlencoded content rather than infinitely more complicated, not to mention bloated, XMLRPC requests. It was...
View ArticleCertificate Authorities: Please make getting certificates easier!
I recently set up S/MIME for my email address. While in a day to day sense it is a lot simpler than PGP to use, primarily because native client support is near universal, the set up process was, to say...
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Wiring the Raspberry Pi security system to Home.API
So, the other week I made a simple security device for my house, using a Raspberry Pi, that will (when I have a moment to wire it up), give a read out before I leave the house telling me if I have any...
View ArticleRunning Elgg on a NoSQL database
NoSQL is the name given to a collection of newer database storage systems, which, among other things, don’t require a database schema to be defined ahead of time. They have become increasingly popular...
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Reply-to email bridge functionality in Elgg
An email bridge is something that allows messages from Elgg, group discussion messages, direct message notifications etc, to be directly replied to from your email client. I needed to get something...
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Current Cost Meter Home.API plugin
This is just a quick note to spotlight the fact that Home.API now has native support for the Current Cost EnviR smartmeter. Setting it up Check out the latest version of Home.API from the Github...
View ArticleSecure Email Proxy code
A long time ago, in a galaxy not too far away, I took part in a JISC funded research project. The purpose of the project was to investigate and develop solutions for some of the issues associated with...
View ArticleOpenPGP Support for Elgg
OpenPGP is an encryption technology that is primarily used to secure email, although sadly it is not as widely used as one might like. Doing my bit to counter the “Summer of Surveillance”, and in a bid...
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Open Graph Headers for Elgg
The Open Graph protocol is a way of providing rich content information for pages when shared on social networks. This is quite powerful, and there’s a lot you can do with it, but at the basic level it...
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