Here are the 9 new posts from Botmonster this week.

That old laptop in your drawer is a free headless Linux server

Old laptops outperform Raspberry Pi 5 for homelab use with better CPU, more RAM, silent operation, and built-in battery UPS while drawing just 8-15W idle.

Fish, Zsh, or Nushell: which shell is actually worth switching to?

A practical comparison of Fish 4, Zsh, and Nushell covering defaults, plugins, startup time, and POSIX compatibility with examples for devops and desktop users.

Boot signed Linux with no bootloader config: unified kernel images and systemd-boot

Build and enroll Unified Kernel Images with automatic Secure Boot signing for systemd-boot, eliminating complex bootloader configuration steps on Linux.

Make navigation feel instant with the Speculation Rules API, no framework

Prefetch and prerender pages with the Speculation Rules API using JSON, replacing instant.page with a native browser primitive for instant navigation.

The HTML popover attribute nobody warned you about just killed your modal JS

Build dropdown menus, tooltips, and modals with the native HTML popover attribute. No JavaScript libraries needed, paired with CSS anchor positioning.

You won't believe your home's radon levels: a $150 ESPHome detector reveals them

Build a DIY radon detector using the FTLab RD200M pulsed ion-chamber sensor, an ESP32 microcontroller, and ESPHome firmware for Home Assistant integration.

Batch Migrate GitHub to Gitea with migtea

Batch migrate GitHub to Gitea in one pass: migtea diffs both accounts and moves every missing repo, with wikis, LFS, and issues, from a terminal UI.

The M.2 NVMe SSDs actually worth buying for your homelab in 2026

Choose NVMe SSDs for homelab use. Covers Gen5 vs Gen4, TLC vs QLC endurance, drive recommendations with benchmarks, capacity planning, and health monitoring.

GPT-5.6-Sol: Reddit Says Cheaper Coder, Worse Designer

GPT-5.6-Sol wins Reddit on price and coding endurance but loses design to Claude Fable 5, and the benchmark that crowned it gets mocked as unreadable.