With the increased tensions between Iran and the U.S., there is a concern that Iran, or hackers working for Iran, may attempt cyber attacks against the U.S., especially government and critical infrastructure. In light of this, I feel I should put out a little reminder on how to keep yourself
Using Pi-Hole in the Enterprise
After using a trio of blackhole DNS servers on an Enterprise LAN, divided into three main subnets and having very little insight into what/who was querying what/where, we gave Pi-Hole a try. While it was originally, I think, developed for the Raspberry Pi running on a home network to block
Raspberry Pi GPIO Pins
I’ve just started playing around with Raspberry Pi and Arduino. I should be studying for my CCNA, but I need a break before I get burned out, besides, it’s a lot of fun. For the Raspberry Pi, I ordered a kit from Cana Kit, which came with a nice little
Blocking Ads While Tethered
If you’ve ever used your cell phone to give your laptop an internet connection (a.k.a. tethering), then you know how valuable bandwidth is. Exceed that bandwidth and your facing additional charges for you cell phone plan. So how do you maximize your bandwidth? One of the simplest ways is to
Kibana in a Docker Container not Responding
I’ve been experimenting lately with the Elastic Stack, Elasticsearch, Logstash, and Kibana, from Elastic, for a few weeks now. I ran into a problem with Kibana running away and becoming unresponsive, so I decided to give it a try running the three in Docker containers. If you’re following the official
YAML Gotchas
YAML is seeing an increase in usage for configuration files. While this is good, there are a few things to watch out for. I will add to this list as I come across, or hear of, more things to watch out for. Indentation Matters (A LOT) Much like Python, indentation
Infrastructure Documentation
We all know, or should know, that documentation is important. The question is how does one go about documenting I.T. infrastructure? There are so many different methods and so many different things to document that just getting started can be a daunting task. Several years ago I worked for a
How-To Fix “Misnumbered” Pages in MS Word
If you have a MS Word document that has page numbers that are “misnumbered”, there is a simple solution. First a little background info and an example of what I’m talking about. MS Word numbers pages based on sections. So if you have more than one section in your document
The Modern OSI Model
Most of us know, or should know, that the TCP/IP Model has largely won out over the OSI Model, but xkcd has a fresh new take on the OSI Model:
Ideals vs. Reality – Part 1: Patches
I.T. best practices are great ways to do things, and if at all possible should be followed. But the reality is somewhat different. Like, night and day different.
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