Flickr-CAPTCHA is a captcha program that uses flickr images and tags to decide whether someone is human. A random thing is selected (from a list of things) and a random number of flickr images are chosen a long with a set of decoys. Each decoy contains at least one other thing in order to prevent […]
Author: joelh
Python NSS netgroups interface
While working on my python test-sudoers script I realised I would need to query NSS netgroups. I went looking for a python module that would do that, and I found the nis module but this wasn’t really what I was after. The NIS module allows you to query NIS netgroups if you have a NIS […]
test-sudoers.py – Test a sudoers file through python
I wrote a quick script called test-sudoers.py which reads a sudoers file and can answer questions like “what commands can a particular user run on a particular host?” and “can a particular user run a command?”. The latter is particularly useful because using return codes that can be scripted and allow certain actions based on […]
Selling Laptop on Ebay
I’m selling my Sony Vaio SZ15GP on EBay, if you know anyone in the market for one send them the listing.
Bluetooth Proximity Locking of your Desktop
How not to jump a river
Windows : CD Burning seems to use an awful lot of CPU
Windows has two modes of talking to IDE devices, PIO mode and DMA mode. DMA (Direct Memory Access) mode is far faster and more CPU efficient, however it automatically gets disabled after a certain number of errors as a fallback position to take on a drive that can’t do DMA or a bad cable. The […]
First they discovered oil
Then at some point they decided to build the world’s tallest tower, and a tower that has turbines inbetween each level and can rotate.
Flickr Photos
I recently got a Fuji 40fd. Great little compact camera, large ISO range and very easy to use which is great for a photo noob like myself. You can check out some of the photos I’ve taken on flickr .
Beryl on Feisty
I have been using Beryl on Feisty with a dual monitor setup at work for just over a week now, and I can say that it is fast and fun to use. The stability has improved markedly as have all the tools for configuration and tweaking. Unfortunately a nvidia bug means that I must use […]