Hands-on experience with AI, self-hosting, Linux, and the developer tools I actually use

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Hands-on experience with AI, self-hosting, Linux, and the developer tools I actually use

Containerize Your Entire Dev Environment with Distrobox: A Complete Guide

Want to test a build on Ubuntu 24.04 while running Arch? Want CUDA 12.x on a stable Debian host without touching the host drivers? Want six Node.js versions that don’t fight each other? Distrobox is the shortest path there. It’s a POSIX shell wrapper around Podman , Docker , or Lilipod . The containers feel like native shells, and they run just as smoothly inside a terminal built for instant redraws as on a plain console. Your home directory, Wayland socket, GPU, SSH keys, Git config, and audio all wire in for you. GUI apps you install inside show up in the host menu.

WCAG 2.2 Data Tables: Sorting, Filtering, Keyboard Navigation

The short answer: build an interactive data table with semantic HTML (<table>, <thead>, <th scope="col">), add ARIA attributes (aria-sort, aria-live, aria-controls), and wire up keyboard handlers that enable sorting, filtering, and cell-by-cell navigation without a mouse. Done right, the result satisfies WCAG 2.2 Level AA, works for sighted users, screen reader users, and keyboard-only users, and needs no framework dependencies .

This guide walks through the markup, the ARIA attributes, the JavaScript event handlers, and the performance trade-offs you hit once your dataset gets large. The reference patterns come from the WAI-ARIA Authoring Practices Guide sortable table example and the grid pattern .

sched_ext: Write a Custom Linux Kernel Scheduler in eBPF

sched_ext (SCX) is a Linux kernel framework that lets you implement CPU schedulers in eBPF and hot-swap them at runtime without rebooting or recompiling the kernel. It merged into mainline in Linux 6.12 and matured through 7.0, which tightened its interaction with the default EEVDF class. On any distro shipping a kernel with CONFIG_SCHED_CLASS_EXT=y, loading a new scheduler takes a single command, for example sudo scx_loader --start scx_lavd, and you confirm it is active by reading /sys/kernel/sched_ext/root/ops.

Best-Selling Mechanical Keyboard Switches of 2026

The Keygeek Y2 linear is the best-selling mechanical keyboard switch of 2026. Based on aggregated sales data from keyboard shops and manufacturers, the Y2 overtook the Sillyworks x Gateron Type R to claim the number one position. Linear switches dominate the rankings with 7 of the top 10 spots, silent switches keep growing, and Keygeek has cemented itself as the top brand by sales volume.

2026 Top 10 Switches - The Full Ranking

Each entry below includes the switch type, key specs, and approximate pricing.

Python Monorepo with uv Workspaces and Ruff: Complete Setup Guide

uv workspaces give Python a Cargo-style monorepo setup. You get one lockfile, one virtual environment, and auto-resolved inter-package dependencies. Cold installs finish in seconds, not minutes. Pair uv with Ruff for linting and formatting, and the pair replaces Poetry, Black, isort, flake8, and pip-tools in one shot. The rest of this post covers workspace setup, inter-package deps, Ruff config, CI, publishing, and the traps that snag teams moving off older tools.

Systemd Services from Scratch: Write, Enable, and Debug Custom Unit Files

Build a solid systemd service by writing a .service unit file in /etc/systemd/system/ with [Unit], [Service], and [Install] sections, then enable it with systemctl enable --now. Add resource caps, security sandboxing, and auto-restart so the service stays up. Then use journalctl and systemd-analyze security to debug it. Systemd v260 is the current stable release, and it ships on every major distro.

Why Systemd Unit Files Beat Init Scripts

Many developers still write shell wrapper scripts to run their apps. A 30-line bash script juggles PID files, log setup, restarts, and privilege drops. That’s a lot of code just to keep one process alive. A systemd unit file replaces all of it with a short, declarative config, often under 20 lines.

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