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.
Real command output from a test machine, not a mock-up. The Question That Ends Interviews “What does 755 mean?” I’ve seen candidates with impressive CVs stumble on this. They know Linux, they’ve used chmod, but they can’t explain what the numbers actually mean. Interview over. File permissions are the foundation of Linux security. Every file,
Linux File Permissions: The Interview Question Everyone Gets Wrong Read More »
Real command output from a test machine, not a mock-up. Linux Package Management Guide for Beginners The Gateway to Linux Administration Every piece of software on your Linux server got there somehow. In the Debian/Ubuntu world, that somehow is apt. Installing packages seems simple until you’re maintaining a production server at 3 AM and an
apt Package Management on Ubuntu: Install, Update, Remove & Troubleshoot Read More »
Real command output from a test machine, not a mock-up. Service Management for Junior Sysadmins The Command You’ll Use More Than Any Other In my first week as a junior sysadmin, I probably ran systemctl status about fifty times a day. Application not responding? Check the service. Website down? Check the service. Database timing out?
systemctl Commands: Start, Stop & Manage Linux Services (With Real Examples) Read More »
Real command output from a test machine, not a mock-up. Why This Matters for Your Career I’ve sat on both sides of the technical interview table. As a candidate, I’ve fumbled through command-line questions that should have been easy. As a hiring manager, I’ve watched promising candidates crash and burn because they couldn’t navigate a
30 Linux Commands That Get You Hired: The Interview Cheat Sheet Read More »
And Why You Should Try It in Your Homelab with Twingate 👋 The Old Way: VPNs and Big Doors For years, remote access meant one thing: a VPN. You logged in once, and suddenly your laptop could see everything on the network. That worked fine when: • Everyone sat in the same office. • The
What Is Zero Trust Network Access (ZTNA)? Homelab Guide Read More »
We all know that one corner in the house where cables run wild, blinking lights dazzle in the dark, and airflow is barely a thought. For me, that corner was the hallway: where the internet connection enters, access points are fed, Smart Home hubs live, and the rack got dirtier by the week. This week
DIY Lab Rax 10-Inch 5U: Homelab Rack Build with 3D Printing Read More »
Upgrade Proxmox VE 8 to 9 without rebuilding your lab. This in-place upgrade guide covers backups, repo changes to Debian Trixie, no-subscription setup, and post-upgrade checks.
Proxmox VE 8 to 9 In-Place Upgrade: Homelab Guide + New Features Read More »
Proxmox Backup Server 3 went end of life in August 2026. Here is the in-place upgrade to PBS 4 from a real lab run (3.4.9 to 4.2.8), with the Trixie repository fixes, a verify and restore, rollback options and the common errors.
Proxmox Backup Server 3 to 4 Upgrade: Tested in the Lab, With the Repository Fixes Read More »
Still port forwarding in 2025? Stop. This guide walks you through real-world security for your Raspberry Pi or homelab — Zero Trust, backups, and monitoring included.
How to Secure a Homelab Network in 2026: 7 Steps Before You Expose Anything Read More »
I run over 30 self-hosted services across my homelab, on Proxmox and a handful of small machines. Most of them I could lose tomorrow and not notice for a week. This is the list I would rebuild first, in the order I would rebuild it, with the tool I actually use for each layer and
Homelab Essential Services (2026): Build Your Full Stack Read More »
