Posts By: Trav

Checking Out the IBM 5150 I Got for Christmas!

Bec got me an IBM 5150 PC for Christmas! In this video, I swap out the MDA video adapter for a VGA adapter and test it out. Here’s some details discussed/discovered in the video: Video Card Since I don’t have an MDA monitor, I install an 8-bit Western Digital PVGA1A-JK based video card. (Thanks to… Read more »

What is Ransomware?

There’s a scary threat sweeping the computing world known as ransomware. Ransomware is a type of harmful software that makes your data unreadable unless you pay the creator money to make it readable again. And, unlike the threats of yesteryear (i.e. viruses, Trojans, rootkits, etc.), it is extremely unlikely that any antivirus software can help… Read more »

Reset Your LimeSurvey Password

Let’s say you forget your LimeSurvey admin password and, very importantly, the server it’s running on cannot send email. Since the normal method for resetting a forgotten password involves email you will need to update the password via the underlying MySQL database.The password is stored as a SHA256 hash, so you need to use the… Read more »

Disable Wi-Fi Assist on Your iPhone to Avoid Excess Data Charges!

In iOS 9, Apple added a feature called Wifi-Assist that the description says “Automatically use cellular data when Wi-Fi connectivity is poor.” Oh boy! New features! Don’t be so enthused. With the decision to default to having this feature turned on, I’m pretty sure Apple has received a big payoff from wireless carriers. Why? Well,… Read more »

Introducing Jerry.Education

I have created a new domain, jerry.education, as a place to aggregate all of my educational resources. I feel it will help more people find my digital literacy resources than just hosting them here, as the URL itself is rather self-descriptive. I am going to leave the Desktop Publishing Projects page here for legacy purposes,… Read more »

Wifi Signal Map at My Place

Today I used the free Ekahau HeatMapper on Windows to map out the wifi signal strengths here at the house. I took the resulting map into Photoshop and made, what I consider, a fairly nice map. (Note that it is not perfectly to scale, because I don’t have an actual floor plan to use as… Read more »

Dual-boot Windows Technical Preview (aka Windows 10) on a UEFI-Enable Computer

I’m really excited about the Windows Technical Preview (aka Windows 10) that was released today. I decided to forgo a virtual machine and dual-boot it on my laptop running Windows 8.1. My laptop is an Asus G55VW and the existing Windows 8.1 installation being setup in UEFI (with the requisite GPT partition scheme). I downloaded… Read more »