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.
A single Terraform command executed by the AI assistant Claude Code mistakenly destroyed a production database of over two million records, exposing how over‑reliance on AI, missing state files, weak backup practices, and absent deletion protection can cause massive outages and what safeguards can prevent such incidents.
This article introduces 1Panel, an open‑source web control panel for Linux servers, outlines its key features such as efficient management, one‑click site deployment, app store, security hardening, and backup, and provides step‑by‑step commands for installation, configuration, firewall setup, and best‑practice recommendations for production environments.
OpenClaw is an AI agent gateway that supports WhatsApp, Telegram, Discord and other platforms, offering a quick curl‑based installation, a guided configuration wizard, extensible Skills system, token‑saving plugins, and operational tools for DevOps and SRE tasks.
The article recounts a 3 AM incident where a veteran ops engineer faced a mysterious Kubernetes node reboot, explores the repetitive pain points of daily operations, and demonstrates how AI can accelerate log analysis, script generation, incident post‑mortems, knowledge sharing, and strategic decision‑making, while emphasizing the irreplaceable value of human judgment, communication, and creativity in the ops field.
The article explains a MySQL kernel‑level merged seckill optimization that replaces traditional queue‑based flash‑sale handling, achieving up to 5‑fold throughput gains (up to 1.5 W/s) without requiring SQL changes, detailing background, performance results, bottleneck analysis, design of cache visibility, leader‑follower coordination, row‑lock refinements, binlog parallelism, and crash‑recovery considerations.
This guide explains what Zabbix is, outlines its key monitoring features, provides step‑by‑step commands for installing and configuring Zabbix on Debian/Ubuntu systems, and offers practical troubleshooting tips for logs, services, database connections, and web server settings.
This article explains what AI agents are, outlines single‑agent and multi‑agent use cases in AIOps such as knowledge retrieval, tool guidance, fault diagnosis, and process automation, and lists the key technical skills needed to build and manage these intelligent operational assistants.
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.
