SumGuy's Ramblings
The art of wasting time.
Docker, self-hosting, AI/LLM, Linux, and DevOps — explained by someone who learned the hard way. No fluff, no enterprise jargon, just practical stuff that actually works on real hardware.
Recent Posts
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Boundary vs Teleport
Zero-trust access for SSH, k8s, and databases — HashiCorp Boundary vs Teleport compared on identity, session recording, and self-host fit.
10 min read -
Whisparr & Mylar3: Specialty *arr Apps Explained
Sonarr handles TV. Radarr handles movies. But who handles comics and adult content? Meet Mylar3 and Whisparr — the *arr apps nobody talks about, until now.
10 min read -
Dify: Visual Agent Workflows
Dify is an open-source LLM-app builder you can self-host. Visual workflow editor, RAG, agents, tool use — without writing 500 lines of LangChain glue.
12 min read -
Access Docker socket via TCP
Expose Docker's Unix socket over TCP so remote tools and dashboards can connect — daemon.json config for Linux and Windows.
· Updated:5 min read -
Advanced UFW Techniques: Enhancing Firewall Security
Go beyond basic UFW rules — rate limiting, geo-blocking, application profiles, logging, and before.rules tricks for serious firewall hardening.
· Updated:6 min read -
Alpine vs. Distroless: Choosing Your Minimalist Base
Alpine gives you a shell and apk; Distroless gives you nothing but the app. Compare attack surface, image size, and multi-stage build complexity.
· Updated:5 min read -
Appwrite Backend-as-a-service (BaaS)
Appwrite is an open-source Firebase alternative you can self-host — databases, auth, storage, and functions without vendor lock-in.
· Updated:6 min read -
awk for Log Parsing: 5 Patterns You'll Actually Use
awk is perfect for parsing logs. Here are 5 patterns that handle filtering, summing, counting, splitting fields, and pretty-printing without reaching for Perl or Python.
· Updated:6 min read -
Bash One-Liners Worth Remembering
Twenty powerful bash one-liners every sysadmin should know—file ops, process hunting, networking, text processing, disk analysis
· Updated:6 min read -
Bcachefs in 2026: Ready or Not
Bcachefs is in Linux mainline, but drama around its lead dev hasn't stopped. Stability verdict, performance data, and a straight answer on home lab use.
· Updated:10 min read -
BookStack vs Wiki.js: Picking Your Self-Hosted Documentation Platform
BookStack uses a strict book/chapter hierarchy; Wiki.js is a linked web of pages. Both run in Docker with LDAP/SSO — pick the right one for your homelab.
· Updated:6 min read -
Browser GPU Acceleration on Linux in 2026
Enable GPU acceleration in Chrome and Firefox on Linux with VA-API, Wayland, and WebGPU. Covers the flags and config settings that actually work in 2026.
· Updated:7 min read
