System Administration

How to Test Your Network Speed on Linux with iPerf3

Do you actually know how fast your network is? Not what your switch spec sheet says — what it’s really doing between two hosts. iPerf3 is the tool sysadmins and homelab enthusiasts reach for when they need real answers, and in this video I’ll show you how to use it from the ground up.

We cover everything from installation to practical usage, including how to test WiFi vs wired, push a 10 gigabit ethernet connection, bind to a specific interface, and dial in your test parameters for accurate results.

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Read more: How to Test Your Network Speed on Linux with iPerf3
Why You NEED UUIDs in fstab (Linux Storage Explained)

If you’ve ever rebooted a Linux server and had it fail to come back up, there’s a good chance the culprit is sitting right in your /etc/fstab file. Device names like /dev/sda1 can shift after a reboot, a drive swap, or even a kernel update — and when that happens, your mounts break and your server may not boot at all. In this video, I break down why UUIDs matter for Linux storage, and I show you a real production server that ran into exactly this problem.

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Read more: Why You NEED UUIDs in fstab (Linux Storage Explained)
Kestra’s Proxmox Plugin: Create a Workflow to Easily Spin-Up VMs

Manually spinning up VMs in Proxmox gets old fast. In this video, I’m using Kestra (an open-source workflow automation platform) to automatically clone a VM template and start it, all without touching the Proxmox UI! You’ll see the process of buiding the workflow, setting up the Proxmox API – and more! In this step-by-step video, you’ll be able to build this for yourself.

Thanks to Kestra for supporting this tutorial! You can self-host it and use it to automate entire workflows , so check it out!

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Read more: Kestra’s Proxmox Plugin: Create a Workflow to Easily Spin-Up VMs
Behind the Scenes: My Linux Terminal & Server Workflow

Your terminal setup says a lot about your workflow – in this video, I walk through how I configure my Linux terminal environment, covering tmux, Vim, my Bash configuration, and even a live Ansible provisioning run to deploy this setup across my LLTV servers.

If you’re looking to build a faster, more efficient terminal workflow on Linux, this video covers the core tools I rely on every day as a sysadmin.

Download my dotfiles here!

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Read more: Behind the Scenes: My Linux Terminal & Server Workflow
How Hackers Actually Breach Systems – Secrets of Red Team Engineering

What does hacking really look like – and how do attackers actually break into systems? In this video, I sit down with Casey Erdmann, Red Team Engineer and author of Red Team Engineering, to pull back the curtain on how real-world cyberattacks work, what cybersecurity is actually like to learn, and what most people get completely wrong about hacking.

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Read more: How Hackers Actually Breach Systems – Secrets of Red Team Engineering
First Things To Do On Every New Linux Server

In this video, I’ll walk you through the essential first steps you should take every time you deploy a new Linux server. Whether you’re a seasoned sysadmin or just getting started with Linux server administration, these foundational steps will help you secure your server, set up SSH key authentication, and establish a solid baseline configuration.

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My Real-World Workflow for Deploying Servers & Workstations

Ever wonder what actually happens behind the scenes when I spin up a new server or workstation? In this video, I’m giving you a behind-the-scenes look at my full deployment workflow — covering how I provision cloud VPS servers, configure them with Ansible, deploy workstations, and manage it all through a consistent configuration management approach.

Ansible is a key piece of this puzzle, but this video is really about the bigger picture: how all the pieces fit together to make server and workstation deployment fast, repeatable, and low-maintenance.

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Read more: My Real-World Workflow for Deploying Servers & Workstations
What Is an Immutable Linux Distro? (And Should You Use One?)

Immutable Linux distros are one of the most talked-about concepts in the Linux world right now — but what does “immutable” actually mean, and should you consider switching? In this video, we break down exactly what immutable Linux distros are, how they work under the hood, what technologies power them, and whether they’re the right choice for you.

This isn’t just a buzzword — immutable Linux distros represent a fundamentally different approach to how a Linux system is designed, updated, and protected. Whether you’re a Linux sysadmin, a homelab enthusiast, or just someone curious about where Linux is headed, this explainer will give you a solid foundation.

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Read more: What Is an Immutable Linux Distro? (And Should You Use One?)
lnav Tutorial: Analyze Linux Log Files Like a Pro

lnav is a powerful, feature-rich log file viewer for Linux that makes analyzing, searching, and filtering log files far easier than traditional tools like tail and grep. In this tutorial, you’ll learn how to install lnav, navigate its interface, search and filter log files, view multiple logs at once, and tail live log files in real time — all from the command line.

Whether you’re a Linux sysadmin troubleshooting a production server, a homelab enthusiast digging through system logs, or a Linux user who wants a smarter way to read log files, lnav is a tool worth adding to your workflow.

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Read more: lnav Tutorial: Analyze Linux Log Files Like a Pro
System76 Thelio Mira (2026) Review: The Best Linux Desktop You Can Buy?

The 2026 System76 Thelio Mira is one of the most interesting Linux desktops on the market — but is it actually worth your money? In this review I cover everything from first boot on Pop!_OS to running Fedora and Debian, real-world benchmarks, gaming performance, and whether this machine deserves a place in your homelab or on your desk.

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Read more: System76 Thelio Mira (2026) Review: The Best Linux Desktop You Can Buy?

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