Project Gearbox, part 2

The gearbox rebuild finally continues! Though I have done some stuff since part 1. Mostly degrotting most of the parts removed and I also came to the conclusion that instead of finding an overdrive (because they go for silly money and would probably need a costly rebuild as well) I…

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Talking in modbus

At work we have a datacenter, so we have things that require monitoring like generators, air handlers (industrial aircon to keep the servers cool), and uninterruptible power supplies. Our building monitoring system was originally written by a colleague that has long since left and the responsibility of maintaining it has…

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Krumpi (Paprikás krumpli)

If you like onions, potatoes, and (lots of) paprika then this recipe is for you. This was originally taught to me by my Hungarian friend. It's a very easy and a very tasty meal to make. Lots of leftovers make for great work lunches. For originality you should use hungarian…

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Tank

Meet tank, my favourite car I thought I'd never buy. He's a VW Polo, with a 1.9SDI engine. Yes, that's a non turbo diesel. Which is where his name comes from. He sounds like a tank and is about as fast (with his 64bhp). He came into my life…

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Project Gearbox, part 1

My landrover series's gearbox is a bit ropey, it's definitely seen better days and judging by the blue instant gasket that has oozed out between the mating plates at least one previous owner has been inside it. Everything else I have discovered that's wrong with the landy has been due…

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Project Daylight

Adding a LED lightbar to pugly. Overview My daily driver is a Peugeot 1007. It's pretty nifty and unique which is one of the reasons I love it so much, However it's illumination is somewhat lacking, even with the full beams on and with decent bulbs. So I came up…

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Nagios lookup.

I wanted an easy way to query our nagios server to see which hosts are being monitored and what checks they have assigned to them for auditing. I also wanted it to be speedy as no one wants to wait 30 seconds for a lookup, so some kind of caching…

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Checking hbase regions are online.

At $work we have a client with a hadoop cluster, they wanted a nagios check that would check that all of the regions for a specified table were online/queryable. After some research it seemed like the best way was to use stargate which is the REST api for hbase.…

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Running puppet with cron

As an update to the previous post I'm glad to say that our puppet setup is working pretty well! The only issue I've had is that the cron generation script we were using started to break crontab on servers. This seems to be due to it creating blank entries when…

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Puppet runs 'syncing' up.

So.. Recently we have had a weird issue at $work with puppet where the puppet runs on quite a lot of servers have appeared to all bunch up and run at the same time. Like this video, but instead of metronomes you have ~1800 servers that were once staggered all…

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