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That GNU+Linux Guy

David McMackins' Personal Plot of the Interwebs

This is my personal project. It's mostly for storing personal files and sharing anecdotes about what's going on in my life.


Walkie Talkies Aren't Just Toys (October 20, 2018)

I did some equipment testing recently to test the viability of cheap FRS radios for neighborhood-scale communication/coordination in a disaster scenario.

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More retro goodness (August 6, 2018)

I've been trying on-and-off since 2016 to get my late 90s laptop running FreeDOS connected to the Internet, and I've finally done it. In this article, I show off my setup and give the steps on how it's done.


My first math paper (October 3, 2017)

I recently encountered a scenario in a class I'm taking where there was a big argument about what should be done with unfair questions on an exam. The discussion appeared to be entirely centered on intuition and emotions, so I decided to settle the matter with mathematics. I think this information could be useful to teachers in a similar predicament.

Read the paper...

An update (April 29, 2017)

I finally wrote something again!


Decoding PowerPaint's custom image format (August 20, 2016)

I've been playing with FreeDOS for a little while now, and I installed a little paint program from the 90s on it. One image just belonged on the Internet, so I decided to convert it to an image format used by today's image-viewing software.