Homelab

Three and a Half Weeks, 689M Tokens, No Meter featured image

Three and a Half Weeks, 689M Tokens, No Meter

689M tokens. 25 days. ~$40 electricity. The math, the caveats, and what changed when the meter stopped existing.

Derek Armstrong - Payments Engineer · AI · Infrastructure
Derek Armstrong
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Qwen3.8 27B on Dual RTX 3090s: A vLLM Field Report featured image

Qwen3.8 27B on Dual RTX 3090s: A vLLM Field Report

Three days into making Qwen3.8 27B my daily local coding driver on dual 3090s — the hybrid linear-attention architecture, an OOM that masqueraded as a backend error, and what the …

Derek Armstrong - Payments Engineer · AI · Infrastructure
Derek Armstrong
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I Built an LLM Traffic Router for My Homelab — Here is What Happened featured image

I Built an LLM Traffic Router for My Homelab — Here is What Happened

I hooked up multiple local models behind a single proxy that routes traffic by complexity. Here is what I found deploying it on a cheap Intel GPU.

Derek Armstrong - Payments Engineer · AI · Infrastructure
Derek Armstrong
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Locking Down a DMZ Web Server with Cloudflare Tunnels featured image

Locking Down a DMZ Web Server with Cloudflare Tunnels

Hardening an internet-facing web server sitting in a home DMZ: firewall, SSH, SELinux, fail2ban, and tunnel-only traffic via Cloudflare.

Derek Armstrong - Payments Engineer · AI · Infrastructure
Derek Armstrong
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Why I Use Both GitHub and Forgejo - And Why That Matters featured image

Why I Use Both GitHub and Forgejo - And Why That Matters

I use GitHub for public collaboration and Forgejo for self-hosted control. They share the same Actions workflow syntax, just in different folders. Here is why running both makes …

Derek Armstrong - Payments Engineer · AI · Infrastructure
Derek Armstrong
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Self-Hosting Plausible Analytics with Podman and Cloudflare Tunnels featured image

Self-Hosting Plausible Analytics with Podman and Cloudflare Tunnels

How I deployed self-hosted Plausible analytics on a podman server, routed it through Cloudflare tunnels, and integrated it with my Hugo site — with a backup strategy that actually …

Derek Armstrong - Payments Engineer · AI · Infrastructure
Derek Armstrong
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Self Hosted AI: Actually Running Local LLMs for a Multi-User Household featured image

Self Hosted AI: Actually Running Local LLMs for a Multi-User Household

How self-hosted AI became the final piece of my homelab puzzle, delivering true parallel processing for multi-user setups and unlocking the real superpower of knowledge management.

Derek Armstrong - Payments Engineer · AI · Infrastructure
Derek Armstrong
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Running Qwen3.6 27B Locally on Dual RTX 3090s with vLLM v0.19 featured image

Running Qwen3.6 27B Locally on Dual RTX 3090s with vLLM v0.19

How I went from a blank Docker template to 116+ tok/s with speculative decoding, FlashInfer, and a 160k context window on dual 3090s.

Derek Armstrong - Payments Engineer · AI · Infrastructure
Derek Armstrong
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The Proxmox Utility Toolkit: Stop Cloning That VM by Hand featured image

The Proxmox Utility Toolkit: Stop Cloning That VM by Hand

A tour of my open-source Proxmox utility toolkit — scripts, docs, and learning paths for homelabbers and enterprise engineers who are tired of repeating themselves.

Derek Armstrong - Payments Engineer · AI · Infrastructure
Derek Armstrong
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Qwen3.5 Showdown: 27B Q8 vs 35B-A3B Q8 — Real-World Testing for Local AI featured image

Qwen3.5 Showdown: 27B Q8 vs 35B-A3B Q8 — Real-World Testing for Local AI

A real-world comparison of Qwen3.5 27B Q8 and 35B-A3B Q8 running locally on a dual RTX 3090 homelab — which one actually belongs in your daily workflow?

Derek Armstrong - Payments Engineer · AI · Infrastructure
Derek Armstrong
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