Introduction

Welcome to follow my channel, where I occasionally share random messages

https://t.me/bboyapp

Or follow me on Twitter

https://twitter.com/bboysoulcn

1. htop explained

A deep dive into what every metric in htop actually means — from uptime and load averages to process trees and /proc filesystem internals, explaining this classic system monitoring tool in full detail.

https://peteris.rocks/blog/htop/

2. Postgres Query Performance Tuning: Finding and Fixing the Slow Queries Your Users Feel

A complete PostgreSQL performance optimization workflow using pg_stat_statements to find high-frequency slow queries, auto_explain to capture real production execution plans, and planner cost constant tuning for your hardware.

https://the-practical-developer.online/posts/postgres-query-performance-tuning-pg-stat-statements/

3. How to Build a Minimal ZFS NAS without Synology, QNAP, TrueNAS

A step-by-step guide to building a minimal NAS with Debian + OpenZFS + Samba, covering disk organization, zpool creation, Samba sharing, and Time Machine backup support — no commercial NAS software required.

https://neil.computer/notes/how-to-setup-minimal-zfs-nas-without-truenas/

4. Obfuscated, self-evaluating bash script by CDN Akamai being supplied to consumers via retail stores

The author discovered an obfuscated Base64-encoded Bash easter egg on a Uniqlo x Akamai “Peace for All” t-shirt, which decodes into a sine-wave terminal animation repeatedly printing “♥PEACE♥FOR♥ALL♥”.

https://tris.sherliker.net/blog/obfuscated-self-evaluating-bash-script-by-cdn-akamai-being-supplied-to-consumers-via-retail-stores/

5. Davit - a native macOS UI for Apple containers

Davit is a native macOS container management GUI built entirely in SwiftUI with no Electron, offering Compose import, Dockerfile builds, filesystem browsing, and direct terminal access — all using Apple’s own container platform, no admin rights needed.

https://davit.app/

6. Postgres Is Enough

Making the case that most projects don’t need Redis, Elasticsearch, MongoDB, or Kafka — PostgreSQL alone can cover caching, search, queues, vectors, and more through built-in features like UNLOGGED tables, pgvector, JSONB, and SKIP LOCKED.

https://postgresisenough.dev/

7. Zoom Earth

An online interactive map tool providing global real-time satellite imagery, radar precipitation, wind speed, temperature, and multi-layer weather data visualization with typhoon tracking and historical animation playback.

https://zoom.earth/maps/satellite/

8. Making cooled clothing

The author built DIY wearable cooling packs using sodium sulfate decahydrate (Glauber’s salt) phase-change materials, documenting the full recipe (sodium sulfate + salt + thickener + borax), heat-seal packaging techniques, and real-world test data (~90 J/g, 600g packs lasting ~1 hour).

https://maurycyz.com/projects/cooled/

9. I Got Scammed

A senior engineer’s candid account of being scammed out of $900 during his second week at Percona — a fake boss texted him to buy Xbox gift cards for an “urgent presentation” — a reminder that even technically savvy people can fall for social engineering.

https://www.adventuresinoss.com/I-got-scammed/

10. Kill AI Slop

A field guide for spotting and removing AI-generated UI clichés — indigo gradients, glowing glass cards, emoji overload, default semantic colors, and more — with code signals, explanations, and fixes, plus a runnable Agent Skill for automated cleanup.

https://killaislop.com/

Feel free to follow my blog at www.bboy.app

Have Fun