This public account is maintained by Xiaotianguo and friends, regularly publishing widely-read original technical articles. We focus on operations transformation and accompany you throughout your operations career, growing together happily.
This article explains how AI Skills serve as structured knowledge bases that complement, rather than replace, Model Context Protocols, enhance Retrieval‑Augmented Generation, and drive three major trends—standardized agent stacks, low‑code knowledge engineering, and the emergence of personal AI agents.
This guide introduces nerdctl, a Docker‑compatible command‑line tool built on containerd, outlines its key features, shows how to install it via binaries or package managers, and provides practical examples for running containers, building images, and using Docker Compose.
This guide shows several efficient Linux commands—du, find, ls, and ncdu—to locate large files, sort results, and safely remove unnecessary data, helping you manage disk space before it runs out.
This guide introduces Netdata, an open‑source real‑time monitoring solution, outlines its key features, and provides step‑by‑step installation instructions for Linux and Docker, along with configuration of auto‑discovery, alerts, core metrics, and UI previews.
This guide explains Loki's lightweight cloud‑native logging architecture, shows step‑by‑step configuration of Promtail, Loki service, and Grafana integration, and provides concrete YAML and systemd examples for collecting and visualizing secure logs.
The MySQL Server repository on GitHub has seen no code commits for over three months, sparking concerns about Oracle's strategic shift, recent large‑scale layoffs, and the future sustainability of the community‑driven open‑source database.
If you need a free, powerful MySQL client to replace Navicat, this guide compares three popular tools—DBeaver, MySQL Workbench, and HeidiSQL—covering their installation steps, key features, and suitability for developers and DBAs.
This guide explains how to install the TMUX‑compatible file transfer tool trzsz (and its Go version), details its command‑line options, provides step‑by‑step installation commands for various Linux distributions, macOS, and Windows, and shows practical usage examples with screenshots.
This article compiles a detailed comparison of PostgreSQL and MySQL, highlighting PostgreSQL's lack of text‑size limits, better NULL handling, native array and JSON support, built‑in optimistic locking, superior GIS types, MVCC, flexible indexing, robust replication, and overall stability, while also noting the few areas where MySQL still holds an edge.
This guide introduces tcpdump, a powerful network packet capture tool, explains its filtering options, and provides numerous command-line examples—from basic interface listening to complex filters for hosts, ports, protocols, and saving captures—helping users troubleshoot and analyze network traffic effectively.
