Linux

Redirecting local ports with iptables directly isn’t too difficult, but can we use firewalld to get the same result? 🧱

The amazon-ec2-utils package in Fedora makes it a bit easier to find devices in an AWS EC2 instance. ️🌤️

Java applications under Wayland seemed to have all different sizes of cursors, but some were way, way, too big. 🐘

Fedora’s cloud-init package now uses dhcpcd in place of dhclient, which went end of life in 2022. 💀

I gave two talks at this year’s event and ran into lots of old friends and colleagues. 🐧

Static blogs are easy to serve, but so many of the free options have no analytics whatsoever. This post talks about how to serve your own blog from a container with live updating analytics

Now that AMD’s Zen 4 CPUs landed in lots of laptops, I picked up a ThinkPad Z13 G2 with an AMD Ryzen CPU. Did I put Linux on it? Of course I did. 🐧

Dark mode lovers rejoice! It’s possible to get (most) applications to show up in dark mode in the Sway window manager. 😎

Here’s a blog post to answer the question: Why do you write so much about CoreOS? 📦

Sure, docker-compose is great, but could we get similar functionality using just the tools that are built into CoreOS? Can we get automatic updates, too? Yes we can! 📦

Fedora now has the AWS Elastic File Store (EFS) mount helper available for Fedora 38 and newer releases! It chooses optimized NFS mount options for you and makes mounting and unmounting a breeze.

Watchtower keeps an eye on your running containers and updates them when new containers appear upstream. 📦

Automatically switch your system audio to your bluetooth headset as soon as they connect. 🎧

Avoid cloud provider modifications and deploy a genuine release version of Fedora 37 on Hetzner Cloud. ⛅

Tailscale exit nodes allow you to route your traffic through nearly any system in your tailnet. Learn how to build an exit node using firewalld. 🕳️

Get systems online quickly or rescue a broken system by PXE booting from netboot.xyz using a Mikrotik router. 🛠

The original icanhazip.com lives on, but the other services are going offline. 😢

Because nobody wants an inefficient emoji workflow. 🙈

Learn how to customize a CentOS Stream 9 cloud image with the stuff you want and nothing that you don’t. 📦

Keep prying eyes away from your sites behind Traefik with basic authentication. 🛃

Store encrypted kubernetes secrets safely in your gitops repository with easy-to-use age encryption. 🔐

Access files over NFS within kubernetes pods with a quick volume mount. 🗄

Upgrade your Supermicro BIOS firmware from Linux using their SUM utility. 🔧

The alacritty terminal on Fedora enables HiDPI mode by default. Break out your magnifying glasses as we disable HiDPI. 👓

Brave recently changed how their browser reads managed policy configuration, but luckily the fix is an easy one. 🔧

Want to build your own Fedora 35 image for AWS? Use Image Builder to build and deploy an image made just for you. 🏗

Provision services on Microsoft’s Azure CLI on Fedora 35. 💙

Tailscale provides a handy private network mesh across multiple devices but it needs security just like any other network. 🕵

One of the smallest ThinkPads delivers one of the best experiences I’ve had on a laptop. 💻

Package up graphical applications in containers and run them with podman. 🚢

Adjust the LED backlight on your laptop quickly in i3 on Linux. 💡

Learn how to forward ports with firewalld for IPv4 and IPv6 destinations. 🕵🏻

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

Launch your containers on Fedora CoreOS instances in Hetzner cloud with a few workarounds. 🚀

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. 💻

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

The family of icanhaz sites help you get more information about your network connection.

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. 🤗

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

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

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

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.