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 introduces pwru, Cilium's eBPF‑based packet‑tracing tool, explains kernel requirements, shows how to install the pre‑built binary, details command‑line options, and provides practical examples for filtering, output customization, and debugging dropped packets in Linux networking.
This guide walks through how to design and implement effective Prometheus metrics for various application types, covering golden metrics, label selection, naming conventions, histogram bucket choices, and Grafana visualization tricks to improve observability and operational insight.
Termix is a free, self‑hostable, web‑based server management suite that combines multi‑panel SSH terminals, file handling, and robust security features, and can be quickly installed via Docker with optional SSL support for production environments.
MySQL 8.0 will lose Oracle support on April 30, 2026, ending security patches, bug fixes, and official assistance, so organizations must choose between upgrading to a newer MySQL version, switching to Percona Server, or migrating to alternative databases like MariaDB or PostgreSQL.
The talk details Tencent PCG’s end‑to‑end observability platform, its data‑standardization pipeline, client‑backend session linking, AI‑enhanced SRE Agent with large language models, and the roadmap toward a SaaS offering, illustrating how modern operations integrate AI for rapid fault localization.
This article introduces eight core MCP components—Grafana, Jenkins, K8s, Playwright, GitHub, Zabbix, Prometheus, and Alibaba Cloud—detailing how each enhances monitoring, automation, resource management, and performance optimization, thereby dramatically improving operational efficiency and reducing manual workload.
The Industrial and Commercial Bank of China's Software Development Center built a technical parameter linking platform that centralized configuration, automated updates, and introduced audit and rollback features, cutting environment setup time by half and dramatically improving DevOps efficiency across thousands of applications.
Uptime Kuma is a lightweight, self‑hosted monitoring tool with a web UI that tracks service uptime across multiple protocols, offers rich notification integrations, 20‑second intervals, and easy Docker or manual installation, making it a practical alternative to heavyweight solutions for ops teams.
The author recounts their first month at a 20‑person IT startup, exposing chaotic onboarding, absent development processes, unreliable testing environments, ad‑hoc code releases, and misaligned product specifications, ultimately illustrating why such disorganized practices drive engineers to resign.
In late October 2025, a DNS failure in AWS’s DynamoDB service triggered a cascade of outages across EC2, load balancers, and Lambda, causing a 14‑hour global disruption that impacted over 3,500 applications, while a simultaneous Taobao overload highlighted the challenges of scaling during traffic spikes.
