Practical homelab builds for infrastructure engineers. This is where enterprise skills meet kit you can actually afford. Guides cover mini PC clusters, refurbished Dell and HPE servers, Proxmox hypervisor setups, network segmentation with VLANs, and the power and cooling tradeoffs that matter when you run 24/7 at home. Every build documented here has either sat in a production rack or a real spare bedroom. No theoretical gear lists, no affiliate filler. If you want to learn Kubernetes on a £120 refurbished OptiPlex or run a dozen self-hosted services on a Pi cluster, start here. The homelab is a professional development environment, and this is how we treat it.
Your Homelab Doesn’t Need to Live at Home The 2026 RAM crisis has made physical hardware painfully expensive. DDR5 prices have gone through the roof, and even DDR4 is climbing. But here’s the thing: you don’t need to own hardware to run a homelab. Cloud VPS services offer free tiers and budget options that rival […]
Best VPS for Homelabs in 2026: Free Tiers and Budget Options Read More »
Real terminal output, captured live – not a mock-up. The Outage Nobody Saw Coming Disk full. Two words that have caused more production outages than most people realize. Applications crash, databases corrupt, logs stop writing—all because nobody was watching disk usage. Disk management isn’t glamorous, but it’s essential. Knowing how to check space, find what’s
Linux Disk Space: How to Find What’s Eating Your Storage (df, du, lsblk) Read More »
How to Build Your First Homelab in 2026 (The RAM Crisis Edition) TL;DR: Yes, RAM prices have gone mental. No, that doesn’t mean you can’t start a homelab. This guide covers how to build a career-advancing lab in 2026 using free cloud resources, budget hardware, local AI, and workflow automation—all while navigating the worst memory
How to Build Your First Homelab in 2026 (The RAM Crisis Edition) Read More »
Real terminal output, captured live – not a mock-up. The Power Trio of Text Processing Logs, configs, and data outputs are all text. The ability to search, filter, and transform text efficiently separates those who manually copy-paste from those who process gigabytes of logs in seconds. grep finds. sed replaces. awk structures. Together, they’re an
grep, sed & awk: Linux Text Processing for Sysadmins Read More »
Your Gateway to Remote Systems SSH is how you manage servers that aren’t sitting under your desk. Every cloud instance, every production server, every container host—you’ll access them through SSH. Basic SSH is connecting with a password. Production SSH means key-based authentication, secure configurations, tunnels, and jump hosts. That progression represents real career growth. SSH
SSH Essentials: Remote Administration Read More »
Logs Tell You Everything When something breaks at 2 AM, logs are your first and best source of truth. Before you start guessing, before you restart anything, before you panic—check the logs. Every process, every service, every kernel event gets logged somewhere. Knowing where to look and how to read what you find is the
Linux Log Files and journalctl Tutorial Read More »
Real terminal output, captured live – not a mock-up. What’s Running and How Do I Stop It? Every application, service, and script on a Linux system runs as a process. Managing processes—finding them, understanding them, and sometimes killing them—is core sysadmin work. When production is on fire and something is consuming all the CPU, you
Linux Process Management: ps, top, htop & kill Commands Read More »
Real terminal output, captured live – not a mock-up. The Commands You’ll Use 100+ Times Daily Before you can manage servers, you need to move around them. Directory navigation is so fundamental that experienced admins don’t think about it—it’s pure muscle memory. That’s exactly where you need to get. When someone asks you to check
Linux cd, ls & pwd: Directory Navigation Commands You’ll Use Every Day Read More »
From Homelab Tinkerer to Hired Sysadmin Every infrastructure job posting says “Linux experience required.” But what does that actually mean? Which commands matter? What do interviewers really test? I’ve been on both sides of the technical interview. This series covers the Linux fundamentals that actually get asked – not obscure trivia, but practical command-line skills
Linux Fundamentals: The Homelab to Hired Series Read More »
Real terminal output, captured live – not a mock-up. The Most Powerful Command You’ll Use sudo is the gatekeeper between regular user actions and root-level system changes. Use it correctly, and you maintain security while getting work done. Use it carelessly, and you create vulnerabilities that keep security teams awake at night. Most people know
The sudo Command: Linux Privilege Escalation Done Right Read More »
