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 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.
VictoriaLogs is a fast, resource‑light, open‑source log database from the VictoriaMetrics ecosystem that offers low RAM and disk usage, multi‑protocol ingestion, powerful LogsQL queries, and flexible deployment options ranging from single‑node binaries to Docker and clustered setups.
This guide explains what Helm is, its core concepts of charts and releases, how to install and upgrade Helm across platforms, use it in CI/CD pipelines, and leverage essential Helm commands and chart repositories to streamline Kubernetes application deployment and management.
The talk outlines the AI+ era's digital ecosystem, traces the evolution from traditional AI to Agentic AI, examines emerging AI Agent technologies, and shares concrete enterprise‑level development practices, frameworks, and governance strategies for financial industry deployments.
