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How to Manage Processes in Linux

A process is the abstraction used by the Linux operating system to represent a running program. Each process in Linux consists of an address space and a set of data structures within the server kernel. The address space contains the code and libraries that the process is executing, the process’s variables, its stacks, and different additional information needed by the ... Read More »

Remember Zip disks? These election departments do

You may recall that a couple of years ago we ran a piece talking about how Ada County, the most populous county in Idaho, was desperately looking for Zip disks and drives to help keep its aging voting machines running. As it turns out, Ada County isn’t alone. Apparently a lot of counties are in the same boat. Once, while ... Read More »

Modular, open source robotics kit lets you build your own 3D printer

Plugg.ee Labs’s Cortex-M3 based “JuicyBoard” robotics kit is designed for building stepper motor controlled devices like 3D printers or CNC routers. The JuicyBoard has surpassed its modest funding goals on Crowd Supply, providing a modular, open source development kit for stepper motor oriented devices such as 3D printers and CNC routers. Built around an NXP […] Read More »

Secret colours of the Commodore 64

This was freaky. When you owned any 8-bit computer, you became intimately familiar with its colour scheme. This simple photograph blew my mind. That blue colour just wasn’t possible. According to the caption, by presenting two colours to the eye and alternating them quickly enough, a whole new colour emerged. What would this new, secret colour look like on your ... Read More »