Home Network Overhaul with Enterprise Techniques


  • An understanding of IP networking


Most home users have a flat network on the private range of This allows for 254 devices including the router. This is alright for most users but has become more of a concern with the lacking security in …

Mycroft Personal Assistant Setup Part 2


If you have followed the part 1 of this Mycroft personal assistant setup you have a standard Mycroft personal assistant with either the Hey Mycroft wake word or you tried to set it up with a custom wake word. If that customer wake word is using Pocketsphinx it is …

Mycroft Personal Assistant Setup Part 1


I have been fascinated by voice computing/electronic personal assistance for many years now but I am not a fan of inviting big tech into my home with a black box speaker. Because of this I have always looked for a open source solution. Early on, I was doing …

Using lua-openssl to view x509 attributes


I recently found myself needing to view x509 certificate extended attributes with Lua. I had to search far and wide in posts and documentation for the lua-openssl project so, I decided to try and put it all in one place.

Install lua-openssl

luarocks install openssl

Using the openssl package …

Git GPG Signing Setup on OSX


Setting up Git commit and tag signing with GnuPG on Mac OSX is not as straight forward as one would like it to be. Here are the steps I used to get it set up. Before hand I was getting the following error:

git commit -S -m "test signing …

Kali Linux (rolling) Blank Screen Fix

Recently I installed the latest Kali Linux on my old Asus Eee PC Netbook and was met with a blinking cursor _ after install. After hitting Alt+F1 and dropping into a terminal I ran all the updates I could and did a reboot with no change to the DE issue …

Moving a website from Wordpress to Pelican

Codeholics has been using Wordpress for its site since its launch back somewhere around 2013. It was great for its time but over the years we have had a number of issues. Plainly put the entire site management and work flow needed to be simplified.

Intro: Pelican

Pelican is a …

Python: working with X.509


This is a note dump of working with x509 in Python. There is not much context to it
just a dump of code snippets.

Needed Packages:

  • pyopenssl
  • cryptography

Generating a RSA Private Key:

import datetime
from cryptography import x509
from cryptography.hazmat.backends import default_backend
from cryptography.hazmat …

How to Install libcouchbase on OpenSuse to use the Couchbase Python Module

OS: OpenSuse Tumbleweed

Here are the steps to get libcouchbase installed on OpenSuse:

Get dependences:

sudo zypper in libev-devel cmake openssl-devel

Get source:

git clone https://github.com/couchbase/libcouchbase.git

Run config and build:

cd libcouchbase
mkdir build

Run tests:



sudo make install

Load …

Displaylink DK1522 Issue after OpenSUSE Leap 42.3 Upgrade

It is the end of the year and the time I use to upgrade my Lenovo P50 to the latest OpenSUSE Leap version. I do it this time of year because I expect to have some issue that I will need to work through after the upgrade and since this …