Set up OpenVPN on CentOS 7

In this guide I will show and explain the steps required to get a VPN server running on a fresh install of CentOS7. This guide will start the server up in steps. There are a lot of steps and places where you can get tripped up in getting a OpenVPN set up and running....

Make a Fedora 25, GNOME 3 & Firefox A Kiosk

This post will show how to make minimal changes to a base Fedora 25 workstation installation and arrive at a kiosk type display that can be unleashed on the general public without too much fear of them destroying the system or navigating somewhere they shouldn’t...

Troubleshooting LED Board Black Squares

I received a call about a LED video display board that had some black squares. The first thing that would come to mind while troubleshooting this unit was that it had a bad LED module. Almost all LED signs like this one use shift registers in series. This can mean if...