SumGuy's Ramblings

Prometheus federation for multi-site home labs: hierarchical scraping, cross-cluster aggregation, federation vs remote_write, practical config.

Client-side encryption with rclone crypt keeps your cloud backups opaque to providers.

TrueNAS Scale ditched Kubernetes for native Docker.

Four file-sharing protocols compared for home labs: NFS speed, SMB compatibility, SSHFS convenience, WebDAV over HTTP, and which one to pick per use case.

Linux filesystem comparison: ext4 for safety, XFS for scale, ZFS for snapshots, Btrfs for flexibility.

Compare cold storage tiers: Backblaze B2, Storj decentralized cloud, and Scaleway Glacier.

Why rsync.net is the no-BS off-site backup target for Restic and Borg: SSH-only ZFS, real Unix support, and what 1.5 cents per GB per month actually costs.

ZFS tuning for flash: ARC sizing, recordsize, autotrim, sync modes, and SLOG advice, plus why defaults written for spinning disks waste an NVMe pool.

Jaeger does distributed tracing only; SigNoz bundles traces, metrics, and logs.

Backup patterns that survive disasters: snapshot, replication, off-site.

Free AI tiers are loans against a future price, paid in your data, your architecture, or your time.

Image upscaling with Real-ESRGAN, super-resolution AI models, ComfyUI workflows, and practical upscaler comparison for self-hosted setups.

Master ControlNet and LoRA for precise image generation control in Stable Diffusion.

API vs self-hosted LLM cost reality, GPU TCO, privacy, latency, break-even math.

Free AI image generators win on convenience but lose fast on volume, style consistency, and control.

RAG beyond dense embeddings: BM25 lexical search, hybrid retrieval (RRF, weighted fusion), cross-encoder re-rankers (BGE, Cohere, Jina).

Daemonless OCI image builds in CI without Docker-in-Docker risks.

Drop Docker's daemon entirely.

LXC and Docker both containerize workloads, but one runs mini-VMs with init processes while the other handles single-process apps.

Free LLM tiers usually die from bloated prompts, not stingy quotas.

3-2-1 backups aren't enough anymore.

regctl, regbot, and regsync give you tag retention policies, registry replication, and manifest surgery, no Docker daemon required.

Stop opening port 22 to the world.

PREEMPT_RT hit Linux mainline in 2024.

A capability map of what's free from AI providers in 2026: chat, APIs, image generation, speech tools, and coding help, with the real quotas.

Run dbt-core free with Postgres, DuckDB, or ClickHouse.

Your ISP's box doesn't have to run your network.

SigNoz gives you logs, metrics, and traces in one ClickHouse-backed app.

Two years after Canonical's LXD CLA grab, Incus is shipping in Debian/Fedora/NixOS.

Audiobookshelf vs Booksonic: which self-hosted audiobook server wins?

Browser-Use and Skyvern let LLMs drive real browsers via natural language goals.

SteamOS 3.x is Arch Linux under the hood.

Devbox and devenv both tame Nix for reproducible dev environments without needing a PhD first.

systemd-homed turns your home dir into a portable LUKS-encrypted blob.

Topgrade runs every package manager and update tool on your machine in one single command.

Ditch Alexa and Google Home.

Carapace-bin delivers tab completions for 1000+ CLI tools across every major shell, one install, one config line, zero per-tool completion script headaches.

procs adds color, Docker container awareness, and process tree views to replace ps.

Route only the traffic you want through a SOCKS5 proxy via ssh -D.

btop, htop, and bottom compared on features, memory footprint, and personality, find out which terminal process monitor earns a spot in your daily toolkit.

Sandstorm gives every app instance its own capability-gated sandbox.

Coding agents get unrestricted shell access by default because it's easy, not because they need it.

Difftastic parses source code structure instead of raw text lines, giving diffs that reflect what actually changed logically, not just how it was reformatted.

Llamafile bundles llama.cpp + Cosmopolitan libc into one portable binary that runs on Linux, macOS, Windows, and BSD with zero install.

gitui vs lazygit: a practical comparison of the two best terminal Git UIs available.

DeepSeek V4 Flash 0731 hits 50 on the independent intelligence index at $0.14/$0.28 per million tokens.

Cloudflare Durable Objects solve the one thing serverless can't: coordination.

Stream your own gaming PC with Sunshine + Moonlight.

LazyVim, LunarVim, and AstroNvim compared: which Neovim distro actually saves your setup time and which one quietly turns into a full weekend side project?

ArgoCD ApplicationSets let one template generate dozens of GitOps Applications across clusters.