Oliver VieBrooks
Oliver VieBrooks
Hardware And Software Architect

Digital Archaeology: The LTK HDS

If you had a Commodore 64 in the 1980s, odds are the one peripheral you really wished you could have was a Lieutenant Kernal Hard Drive from Fiscal Information/Xetec.  Bringing 20 megabytes of blindingly-fast storage to the system, the Lieutenant Kernal (LTK for short) was the storage system of choice for C64 BBS operators everywhere.  Read More

Magento Howto: Whole-cart Percentage Discount

Introduction One of the most common requests we receive on e-commerce projects where Magento 1.9 is being used as a store is to add a percentage discount that works on the entire cart WITH a cap on the overall discount amount. This article will explain how to add this to your Magento installation. The same Read More

Github Repos Added

I’ve added some repos of my retro-computing-related projects here.

Unlocking LUKS Volumes Without Local Access

Recently, I’ve implemented full-disk encryption on every machine at the lab. For the 30 or so Linux boxes, this meant setting up LUKS. We’re a Ubuntu shop here, so that meant following the instructions here. Actual setup of encryption is outside of the scope of this document. I may write an article on it at Read More

Using Geopattern

A basic introduction to the geopattern script and an explanation of how to use it.

C51 Kit Evaluation

I pick up an 8051/C51 dev board from ebay and evaluate it. Included are full instructions for an end user from assembly to writing your first program for the microcontroller.