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. Places to Telnet

A curated list of various Telnet servers and interesting destinations, including NASA space data queries, online chess, Bitcoin prices, Star Wars animations, and multiple BBS/MUD systems among other classic internet text services.

https://telnet.org/htm/places.htm

2. Case Study: How We Reduced a Container Image by 99.7% (800GB to 2GB)

The Sealos team successfully compressed a container image from 800GB to 2GB by developing a custom OCI image processing tool to merge 272 bloated layers into a single layer and remove an 11GB problematic log file, while sharing insights into the underlying causes of image bloat due to OverlayFS copy-on-write mechanisms.

https://sealos.io/blog/reduce-container-image-size-case-study

3. Scaling PostgreSQL

OpenAI’s engineering team provides detailed insights on how to scale a single-primary PostgreSQL architecture to millions of queries per second through multi-layered optimization techniques including query optimization, connection pooling, cache locking, workload isolation, and cascading replication, supporting production workloads for 800 million ChatGPT users.

https://openai.com/index/scaling-postgresql/

4. From Microsoft to Microslop to Linux: Why I Made the Switch

A 20-year Windows veteran shares their complete migration journey to CachyOS Linux, including experiences with gaming, music production, and development environments, after encountering Chrome flickering crashes, forced updates, and privacy violations from the 24H2 update.

https://www.himthe.dev/blog/microsoft-to-linux

5. Dockhand

A modern open-source Docker management platform offering real-time container monitoring, Compose visual editing, Git repository integration, multi-environment management, terminal logging, and file browsing capabilities, licensed under BSL 1.1.

https://github.com/Finsys/dockhand

6. OpenClaw

An open-source personal AI assistant framework that runs on local computers, interacts through chat apps like WhatsApp/Telegram, features persistent memory, browser control, system access, and skill extension capabilities, supporting multiple AI models.

https://openclaw.ai/

7. keyStats

A lightweight macOS/Windows menu bar application that tracks daily statistics including keyboard keystrokes, left and right mouse clicks, mouse movement distance, and page scroll distance in real-time, with local data storage and automatic daily reset.

https://github.com/debugtheworldbot/keyStats

8. Rili Pro (日历 Pro)

A free and open-source calendar subscription service supporting 3/7/15-day weather forecasts, statutory holiday and makeup workday reminders, traditional Chinese almanac suggestions, seasonal solar terms and festivals, horoscope forecasts, and custom countdown features, automatically syncing to system calendar applications.

https://rilipro.com/

9. Personal Infrastructure Setup 2026

An Arch Linux developer shares their complete practice of building a home self-hosted infrastructure using technologies including Incus container clusters, OpenTofu declarative configuration, Wireguard reverse tunnels, Nginx reverse proxy, and Syncthing file synchronization.

https://linderud.dev/blog/personal-infrastructure-setup-2026/

10. mactop

A terminal monitoring tool designed specifically for Apple Silicon chips that displays CPU/GPU power consumption, temperatures, frequencies, E/P core utilization, memory swap, network disk I/O, Thunderbolt bandwidth, and process management in real-time without requiring sudo, supporting 17 layout themes and Prometheus metrics export.

https://github.com/metaspartan/mactop

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

Have Fun