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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ArgoCD ApplicationSets: One Manifest, Many Clusters
ArgoCD ApplicationSets let one template generate dozens of GitOps Applications across clusters. Covers List, Cluster, Git, Matrix, and PR generators with real patterns.
10 min read -
Mise Deep Dive: Tasks, Tools, Env Vars
Mise manages your dev tools, env vars, and task runner all from one config file. Here is how to put all three of its features to practical use together.
10 min read -
Linux PSI: The Pressure Metrics Load Average Wishes It Were
Linux PSI (Pressure Stall Information) exposes real CPU, memory, and IO stall percentages, here's why it beats load average for monitoring.
9 min read -
Go on Scratch: Docker With No OS at All
A Go binary on FROM scratch gives you a 10 MB image with no shell, no libc, no /tmp. Everything that breaks on an empty filesystem, and how to fix each one.
14 min read -
Yazi: The Terminal File Manager Replacing Ranger
Yazi is the Rust-powered terminal file manager that fixed everything Ranger got wrong, real async previews, a Lua plugin system, and blazing-fast navigation.
11 min read -
DIY Perplexity: SearXNG + Local LLM = Private Web Search
Replace Perplexity with SearXNG + a local LLM for private, cited web search. Full Perplexica/Morphic deploy walkthrough, Ollama, latency tradeoffs.
9 min read -
fish vs zsh vs nushell in 2026
fish, zsh, and nushell each solve the interactive shell problem differently. Here is which one actually belongs on your machine for daily use in 2026.
10 min read -
Multi-Arch Docker Builds With QEMU & buildx
Build Docker images that run on amd64 and arm64 from one command. QEMU emulation, native multi-node builders, CI caching, and manifest lists explained.
10 min read -
NUT: Network UPS Tools for Home Labs That Don't Want to Crash
NUT (Network UPS Tools) monitors APC, CyberPower, and Eaton UPSes and triggers graceful shutdowns before your home lab eats a corrupt ZFS pool.
10 min read -
Wezterm vs Alacritty vs Kitty: Modern Terminals
GPU-accelerated terminal showdown in 2026: WezTerm, Alacritty, and Kitty compared on raw speed, config ergonomics, multiplexing support, and image rendering.
10 min read -
Mozilla Sync Server Self-Hosted: Still Viable?
Firefox Sync still works self-hosted in 2026, but the setup is more involved than it looks. Here's the real story, plus whether it's actually worth it.
9 min read -
Memos: Self-Hosted Microblog Meets Daily Note
Memos is a lightweight self-hosted microblog and scratchpad. One Compose container, SQLite, Markdown hashtags, and zero Twitter brain rot.
7 min read
