Skip to content

Blog

Simple Dry Boxes for 3D Printing Filament

There are several dry boxes out there for filament, but at the time of this writing the best deals I’m seeing are $60 a box… which seems too expensive. I was able to put together this simple storage system that is working well for me and I only spend about $8.50 per box ($5/container +…

How to format a USB for Mac from Windows 10

I wanted to setup a Minecraft server on my old Mac Mini and I needed to format a USB drive to install Ubuntu. Previous USB drives would not be recognized on this Mac Mini and I presume those other drives had MBR partitions and that was the problem. This tut explains how to change the…

Raspberry PI running a 16×32 RGB LED

Wiring To get started turn off your Pi. $ sudo shutdown Disconnect power from the Raspberry Pi. Compile the Program Clone the repo: ssh pi@raspberrypi # password is: raspberry by default git clone https://github.com/hzeller/rpi-rgb-led-matrix/ Look in that cloned directory: pi@raspberrypi:~ $ ls rpi-rgb-led-matrix/ adapter bindings COPYING examples-api-use fonts img include led-matrix lib Makefile README.md utils…

Setting up Ruby on Rails with Passenger + Nginx in a CentOS 7 VM running on Google Cloud Platform

Perspective All commands are written (unless explicitly stated) from the perspective of a non-root user with sudo permissions. The intent is to create a user which will run the application we are creating, but that user will not have sudo permissions. Machine Setup I started here: https://cloud.google.com/compute/docs/quickstart-linux The only real difference was that I select…

How to test if files differ in BASH and test that those differences are expected

A script to test if files are different, and to further test if the differences in those files are the expected differences: #!/bin/bash echo “text to find” | tee subject.log echo “text to find” | tee same.log echo “text which differs” | tee differs.log if diff subject.log same.log; then echo “They are the same (expected)”…

Loading…

Something went wrong. Please refresh the page and/or try again.

%d bloggers like this: