Posts

Sometimes network interface autonegotiation doesn’t work as well as it should. Luckily, you can fix it with systemd-networkd. 🔧

Re-use the same wildcard TLS certificate for multiple containers running behind traefik. 🚦

Build images for AWS and deploy them to your AWS account all within GitHub Actions. 🤖

Use the new DHCPv6 prefix delegation features in systemd-networkd to make IPv6 subnetting easy! 🎉

Firefox allows you to set dark mode as the default without changing themes or changing your desktop configuration. 😎

Enable tap-to-click on your laptop’s touchpad in i3 with one of two methods. 💻

Improve your persuasive skills to get your team on board with solutions to tough problems. 🤔

Run rootless Linux containers without any daemons using docker-compose and podman on Fedora! 📦

icanhazip.com lives on with the same mission, but with a new owner 🤗

Emojis brighten up any message or document. 🌻 Search, select, and use emojis quickly on Linux with rofimoji. 🤗

Investing in stock or trading options is complicated, but there are plenty of free resources available to make research easier.

Feedback from my original options selling post said that the concept was too difficult to follow. Let’s use an analogy!

Monitor nearly any uninterruptible power supply (UPS) with a Raspberry Pi Zero W and HomeAssistant

You did your research and made a great options trade, but now it is a losing trade. What can you do now?

Not all stock brokerages are the same. Think about your requirements, shop around, and read the fine print.

Taking the leap and selling your first options contract takes a lot of thought and preparation.

Learn from my successes and mistakes while selling puts in the stock market in 2020.

Knowing your maximum amount of loss on trade is the difference between taking a calculated risk and blowing up your account.

Selling options puts you on the other side of the options contract from buyers, but it comes with obligations.

Trading options contracts feels incredibly daunting, but you can learn the terminology and make good choices in the market.

Build a customized image for AWS with Image Builder and use the built-in automatic uploader and importer.

Moving to the keto lifestyle is a big change. It’s more than just a diet and I’ll share my ups and downs from my journey.

Making an effort to use diacritics is always a good idea, but how can you make it easier in Linux?

Brno is a beautiful city in the Czech Republic. Learn some travel tips from my experiences as an American in Brno!

The Lenovo ThinkPad T490 is a great laptop, but it comes with some discrete GPU challenges.

Fedora 17’s code name was Beefy Miracle and it had a great mascot. You can see it at boot time with a few quick changes.

My new T490 with a 10th generation Intel CPU and a discrete NVIDIA MX250 has arrived! Installing Linux creates some interesting challenges.

Openshift (and Kubernetes) allow you to run jobs on schedule, but these jobs can fail from time to time. You can monitor them from bash!

Monitor the power consumption of your CyberPower UPS and display the live output in your Linux desktop’s status bar.

Lower your CPU usage and increase battery life when you watch certain videos by using Chromium with VAAPI support.

All of your GNOME and gtk applications are configured in i3 with a few simple tricks.

Monit is a tried-and-true monitoring daemon that is easy to deploy. Add it to OpenShift to make monitoring even easier.

Many cloud providers give you lots of memory with each instance and you can speed up tests and builds by using a ramdisk.

Buildah and podman work well with the vfs storage driver, but the default mount options can cause problems.

Fedora 30 is a great Linux distribution for cloud platforms, but it needs a little work to perform well on Google Compute Engine.

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Repeaters are a great way to get into ham radio, but they can be tricky to use for new amateur radio operators. This post explains how to get started.