Ubiquiti provides a brief guide on using a custom SSL certificate with UniFI but this process produces a certificate without a Subject Alternative Name (SAN) extension. Chrome will produce certificate errors for any sites using a certificate without a SAN. The Problem The reason this happens is because the certificate signing request (CSR) generated through ace.jar […]
Author: Sam Kear
Sam graduated from the University of Missouri - Kansas City with a bachelors degree in Information Technology. Currently he works as a network analyst for an algorithmic trading firm. Sam enjoys the challenge of troubleshooting complex problems and is constantly experimenting with new technologies.
Connecting a Micro SD Card Adapter to the ESP8266 Development Board
The ESP8266 is a great board to use for many IoT projects but they have a limited amount of flash storage space. Newer models being sold have 4MB of total flash which leaves a max of about 3MB for file storage depending on the image being used. For projects that require a large amount of […]
Nest Temperature Sensor Review
In this article I’ll be sharing my impressions of the new Nest Temperature Sensor. The Nest Temperature Sensor is a wireless sensor that is designed to work with the Nest Thermostat to provide remote temperature sensing capabilities. Nest developed this sensor to address the fact that most rooms in your home are never the same […]
Installation and Review of the Nest Hello Video Doorbell
Nest recently entered the rapidly growing video doorbell market with the Nest Hello Video Doorbell. The Nest Hello is Nest’s first video doorbell and is intended to compete directly with the Ring Doorbell. The Nest Hello has several features that the Ring doesn’t offer including 24×7 continuous video recording, HDR video, and face recognition. It also […]
ēdn SmallGarden 2 Indoor Garden System Review
I’ve wanted to set up a hydroponic system for growing herbs indoors for quite a while now but I haven’t found the time to research a good setup. Fresh herbs are really expensive at most grocery stores so an inexpensive way to produce them at home would provide a lot of savings over time. A […]
Using PETG Filament With the Mendel90 Printer
PLA has been my favorite filament to use in my Mendel90 printer for many years. It’s always been very easy to work with and has produced consistent results. PLA sticks easily to a heated bed and yet releases without any effort once cooled. The main drawbacks to PLA are its low melting point and tendency […]
Upgrading Software on Palo Alto Firewalls Without Internet Connections
Problem When attempting to manually upgrade PAN-OS software on Palo Alto firewalls that are not connected to the internet (or never have been) you will run into errors such as “Operation Failed” and “No update information available”. The manual upload and install from file process doesn’t work correctly using the GUI, especially on PAN-ON versions […]
How to Install a Custom SSL Certificate in UniFi Video
The default installation of Ubiquiti’s UniFi Video software uses a self signed certificate for the web interface. As a result users will notice a certificate warning in their browsers when they connect to the page. In UniFi Video version 3.7.0 Ubiquiti added experimental support for importing custom certificates. This allows you to import a certificate signed […]
HackerBoxes #21 Hacker Tracker – Arduino Nano GPS Tracking System
I just received my latest subscription box from HackerBoxes and decided to spend some time tinkering with it this weekend. If you haven’t heard of HackerBoxes I highly recommend checking them out. You can view past box contents and their guides on their Instructables page. Box #21 (Hacker Tracker) explores using a Arduino Nano to […]
Building a Powerpole DC Power Distribution Center
I’ve started converting all of my 12 volt DC powered devices over to Anderson Powerpole connectors. Powerpole connectors are gender neutral which eliminates any plug / socket issues. Standardizing on Powerpole connectors gives me the flexibility of easily connecting my DC devices (including my ham radio and 3D printer) to different power sources without having to […]
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