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OWFS Server on The Raspberry Pi

November 14, 2012 - Geek , Home , Home Automation , Linux - by admin - 1 Comment

Quick and simple this one is. I have a DS9490R (internally it’s a DS1490F) one-wire bus master attached to my Raspberry Pi. 4 DS18B20 temperature sensors are hanging off the bus, and I’d like to access them from the home automation server. On the Raspberry Pi, or the server/device that’s […]

MQTT GPIO Monitoring

October 25, 2012 - Geek , Home , Home Automation , Linux - by admin - No Comments

My little Raspberry Pi seems to be growing arms and legs. The other day I hooked up a simple PIR to it. I can’t remember where I got it, but it runs off 5v, consumes a low enough amount of milliAmps to be directly connected to the Raspberry Pi 5v […]

MQTT Republishing Itch

September 23, 2012 - Computers , Geek , Home Automation , Technology - by admin - 1 Comment

So, I had an itch. A variety of data coming in from a variety of sources, all over different protocols and methods, with different names, heirarchies, and paths. For a while I’d been pushing the data into MySQL, but this seemed a bit of a hack, and it still didn’t […]

Accessing Novell Groupwise from Ubuntu, Mint, etc

July 12, 2012 - Computers , Geek , Novell , Work - by admin - No Comments

We use Groupwise at work, and up until recently Groupwise support was available in Evolution. I don’t know why it was dropped, but it’s fairly easy to reinstate it again if you’re prepared to build from source. These are the steps I used to build it on two Linux Mint […]

apt-key from behind a firewall

July 11, 2012 - Geek , Internet , Linux - by admin - 2 Comments

At work we’re pretty heavily firewalled. This means that outbound requests on funny ports are often firewalled off, and systems that rely on such ports will time out. One such system that is commonly used yet inaccessible is the GPG SKS port 11371. And many many Linux things use GPG! […]