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.
VictoriaLogs, an open‑source log management database from the VictoriaMetrics ecosystem, offers ultra‑low resource consumption, multi‑protocol ingestion, powerful LogsQL queries, and flexible deployment options—including single‑node, Docker, and clustered setups—making it a compelling alternative to Elasticsearch and Loki.
The March 24 OpenClaw update, which overhauled its plugin system, model stack, security, and sandbox architecture, triggered a massive failure due to forced migration to the proprietary ClawHub, causing missing files, plugin crashes, sandbox permission errors, and overly strict rate‑limiting that crippled user access.
This article explains the seven core multi‑agent design patterns—workflow, routing, parallel, loop, aggregation, network, and hierarchical—detailing their mechanics, use cases, implementation tips, and why modern agent frameworks are essential for dynamic, cross‑system AI applications.
A server alert triggered a 100% CPU usage warning while I was shopping, but by messaging an AI‑powered chatbot from my phone I diagnosed the offending Node.js process, restarted the service, and restored normal performance in under five minutes.
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.
