This article summarizes Ouyang Chen's GDevOps 2016 talk, covering the definition of DevOps, four personal viewpoints, Microsoft's three‑phase transformation, Xiaomi's rapid release pipeline, key principles, metrics such as time‑to‑detect, and essential tools for building an efficient DevOps culture.
Ansible playbooks, a powerful configuration management tool, use YAML to define tasks, variables, inventory, conditionals, loops, and handlers; this guide explains core components, syntax, variable scopes, command-line overrides, and provides practical examples for installing services, managing users, and triggering handlers based on changes.
This article, excerpted from the upcoming Chinese edition of “SRE: Google Site Reliability Engineering”, examines how Google’s SRE guiding philosophies—disaster planning, post‑mortem culture, automation, and data‑driven decision‑making—are adopted, adapted, or contrasted in sectors such as manufacturing, aerospace, nuclear, telecommunications, healthcare, and finance, highlighting key similarities, differences, and lessons for Google and the broader tech industry.
Keeping npm dependencies up to date can be risky, but using tools like npm-check-updates, updtr, next-updater, and Greenkeeper lets you automatically detect new versions, test compatibility, and manage updates safely without manual checks, ensuring your projects stay current and stable.
The article recaps Meituan‑Dianping’s 10th Tech Salon where senior DBA Ping Zhong detailed the Atlas database middleware, explaining its three‑layer architecture, connection‑string simplification, load balancing, read/write separation, automated slave management, monitoring, sharding capabilities, current 87% deployment across services, and upcoming enhancements such as stronger SQL processing and distributed transaction support.
This guide shows how to connect JMeter performance testing with Jenkins continuous integration by setting up JMeter test plans, running them via GUI or command line, configuring Jenkins jobs with the Performance plugin, and automating result collection for each build.
This guide explains how to use Parallel SSH (PSSH) to execute commands, copy files, and synchronize directories across multiple servers, including installation steps and configuring password‑less SSH for streamlined server management.
This guide walks you through installing Jenkins and Docker, configuring Jenkins agents, creating jobs and pipelines, mastering essential Docker commands and Dockerfile syntax, and finally integrating the two tools to establish a fully automated CI/CD environment for building and deploying applications.
An automated database operations platform shifts routine DBA tasks to developer self‑service and fully automates processes such as cluster provisioning, scaling, backup, migration, and sharding, using a stateless workflow center, job queue, and unified SqlEditor to improve efficiency, safety, and auditability.
koa‑restql automatically creates full RESTful CRUD endpoints from Sequelize models, mapping each database table to standard GET, POST, PUT, and DELETE routes, handling query filters, pagination, and associations via query strings, and offering middleware or association‑level options for access control, thus eliminating repetitive data‑operation code in Koa backends.
The article introduces Qunar's Mobile Testing Cloud (Nebula), detailing its device and service autonomy, core functions such as smart distribution, distributed scheduling, device management, and task scheduling, the supported UI automation, monkey and installation tests, and the practical deployment setup using mac mini slaves.
This article outlines the evolution of enterprise operations through four stages, identifies seven common operational pain points, and presents a comprehensive model for building an automated operations platform that integrates design, deployment, monitoring, optimization, and troubleshooting.
The karaoke app’s new self‑service security system empowers trusted external community members with limited, quota‑based moderation permissions, reusing the existing reporting channel to automatically prioritize and process malicious content, cutting urgent incident response from 20 minutes to sub‑second and reducing daily missed issues from dozens to a few.
This article explains how MHA provides automated master monitoring, rapid failover within 10‑30 seconds, online master switching, various failover modes, extensible scripts, key commands, and best‑practice workflows to achieve high‑availability MySQL replication without performance impact.
Leveraging Tencent's extensive experience in social platform operations, this talk explores intelligent monitoring practices—covering active, passive, and side‑channel techniques, full‑link observability, data processing pipelines, and alert convergence—to enhance reliability, availability, and user experience while reducing noise for ops teams.
This guide explains how to set up Jenkins to automatically poll a Git repository, run cppcheck static analysis, process the XML results, and email the findings, including detailed configuration steps, command examples, and troubleshooting tips.
This article guides operations engineers through tcpdump fundamentals, advanced filtering techniques, the design of an automated packet‑capture tool, and how to transform captured traffic data into a visual business architecture tree for efficient fault isolation and resource optimization.
This article examines common misconceptions in CMDB implementation, outlines four key success factors, and shares two real‑world case studies to help operations teams balance effectiveness with cost while automating configuration management efficiently.
This comprehensive guide introduces Gulp 4, compares it with Grunt, explains its Node.js requirements, walks through installing the development version, details the core API and common plugins, and provides complete example gulpfile scripts for tasks such as building, watching, live‑reloading, and serving static files.
This article provides a detailed overview of widely used DevOps tools—including monitoring solutions like Microsoft SCOM, Vistara, SolarWinds, Nimsoft, ServiceNow, automation platforms Chef and Puppet, container platform Docker, orchestration systems Apache Mesos and Kubernetes, as well as performance monitoring tools New Relic and Graphite/Grafana—highlighting their features, typical use cases, and important considerations.
This article explains how large‑scale internet companies can reduce alarm storms and speed up incident resolution by creating an operations ecosystem centered on automated fault root‑cause localization, detailing the challenges, architecture, decision‑tree algorithms, and a four‑step implementation guide.
Continuous Integration, Delivery, and Deployment form a progressive workflow that automates code testing, staging, and production release, enabling teams to detect issues early, ensure deployable code, and achieve fully automated releases despite challenges like complex topologies and large-scale environments.
This article explores how large‑scale internet operations can achieve order and efficiency by applying entropy theory, standardizing configuration and monitoring, adopting automated deployment practices, and leveraging open‑source tools like Open‑Falcon to build a fully automated, resilient infrastructure.
This article explains the DevOps toolchain by breaking it into three core components—SCM, automation, and cloud—detailing their roles, typical tools, and how they interoperate to enable continuous delivery and scalable, self‑service infrastructure.
This article introduces Ansible, a Python‑based configuration management and deployment tool, explains its installation prerequisites, demonstrates basic ad‑hoc commands, and provides a comprehensive guide to managing MySQL master‑slave replication using Ansible modules, playbooks, and role‑based directory structures.
This article presents a comprehensive overview of the IT infrastructure model used by a fast‑growing internet company, detailing layered design from business to data‑center, high‑availability services, automation, and the five‑fold approach of service, standardization, automation, self‑service, and technology.
Learn how to use shell scripting combined with MySQL commands and cron jobs to create, query, update, and delete database records automatically for routine performance monitoring and system administration tasks.
The article explains the paradox that good programmers spend the majority of their time on tasks, technologies, and tools they dislike because these “bad” technologies consume disproportionate effort, while automation‑friendly work is quickly delegated, leading to chronic frustration despite their expertise.
This article shares Peng Lihang's practical insights on operations automation, covering the essential trio of configuration, state, and change management, the evolution of ops practices, platform design principles, and concrete steps for building scalable, business‑driven ops platforms.
Drawing on interviews with over 500 engineers from top tech firms, this article outlines ten actionable practices—such as speeding iteration, embracing automation, fostering code ownership, and allocating 20% time—that together create a respectful, high‑performance engineering culture.
This article outlines ten practical guidelines for operations engineers—ranging from mandatory rollback testing and cautious handling of destructive commands to robust backup verification, vigilant monitoring, and disciplined handover procedures—to dramatically reduce system outages and improve overall reliability.
This article examines the DevOps dilemma caused by fragmented development and operations workflows, explains why IaaS alone cannot solve it, and outlines how PaaS combined with modern cloud-native tools such as Docker, Mesos, and YARN can automate resource allocation, deployment, service discovery, and monitoring to create a cohesive, scalable operations platform.
This guide explains how to use the Linux find command to locate old files, create a shell script for batch deletion, and schedule the script with crontab, including detailed syntax, examples, and common cron expression patterns for reliable automated cleanup.
This article chronicles Spotify's evolution in server operations—from a manual Ops team and ad‑hoc tools in the early years, through automated DNS, provisioning, and self‑service platforms, to a hybrid cloud strategy that reduced resource‑request turnaround from weeks to minutes.
An in‑depth overview of Tencent’s Blue Whale system reveals its positioning, design philosophy, PaaS and SaaS components, and how it enables scalable, unmanned operations across cloud and on‑premise environments, illustrating practical automation stages from scripting to intelligent orchestration.
This guide explains how to configure GitLab webhooks and an Apache endpoint to automatically pull code updates to a test server after each commit, covering server setup, SSH key configuration, PHP interface script, and troubleshooting steps.
This article outlines a comprehensive approach for designing an IT operations monitoring platform that focuses on real‑time business transaction metrics, automatic topology discovery, event‑transaction correlation, deep component diagnostics, and unified data processing to improve availability, performance, and fault‑resolution speed in large‑scale data centers.
At the GOPS2016 conference, speaker Cui Xiaochun likens the invention of the horse stirrup to modern automation, tracing the evolution of operations from manual scripts to AI-driven intelligent systems, and argues that embracing AI is the next revolutionary step for ops teams.
sshpass enables non-interactive SSH sessions by allowing passwords to be supplied directly via command line, password files, or environment variables, simplifying automated remote operations; this guide explains its usage, installation, and common command examples for Linux administrators.
This article explains how to deploy a stateful MySQL service in Docker containers using the Autopilot pattern, Containerbuddy, Consul, and Percona XtraBackup to achieve automated bootstrapping, scaling, health‑checking, failover, and self‑healing without manual intervention.
This article explains how to design and implement a unified operations monitoring and alerting platform by combining Ganglia for data collection with Centreon for alerting, covering architecture layers, module functions, integration steps, and practical Q&A for large‑scale deployments.
The article describes a three-dimensional, automated, visual monitoring approach for high-availability systems, detailing a five-layer monitoring model, automated log collection using Logstash-Redis-Elasticsearch, and visualization techniques that together reduce fault-locating time and improve operational efficiency.
This article presents a comprehensive overview of Dianping's operations architecture, detailing team organization, multi‑data‑center infrastructure, monitoring layers, automation tools, configuration management systems, incident analysis, lessons learned, and future directions such as Docker and PaaS adoption.
This article provides a comprehensive overview of DevOps, explaining its purpose, cultural challenges, core principles such as automation, standardization, and configuration, its relationship with cloud, lean and agile, practical steps, metrics, and how it transforms IT delivery into an end‑to‑end business value pipeline.
This article details the evolution of Weibo's database platform—from its early single‑master design through rapid scaling, vertical and horizontal sharding, automation, Redis enhancements, custom middleware, and future plans—offering practical insights into high‑availability, high‑performance data engineering for large‑scale social media services.
The article critiques the hype around operations automation, arguing that many tasks can be handled with simple shell scripts, that automation should solve error‑prone manual work rather than replace thoughtful architecture, and that choosing the most convenient tool is more valuable than chasing trendy solutions.
After hands‑on experience with both Salt and Ansible, the author compares their terminology, architecture, community support, speed, code structure, security, auditing, deployment, learning curve, and documentation, concluding that Ansible excels in ease of use while Salt offers superior scalability and performance for cloud environments.
This article presents ten practical Bash tips that boost command‑line productivity, covering inserting text at the top of files, appending multi‑line blocks, recursive search‑and‑replace, creating temporary Vim files, using curl for downloads, managing bookmarks, extracting columns with awk, trimming output, and building custom command packages.
This article examines recent high‑profile internet outages caused by human error, explores why operations teams are especially prone to mistakes despite automation and standards, and offers practical strategies—such as hiring the right people, fostering safety awareness, and turning professionalism into habit—to reduce future incidents.
This article explores how a people‑centric mindset can transform operations by defining a three‑layer framework, clarifying why human factors matter, and offering concrete process, technology, and organizational practices such as streamlined approval flows, voice‑alert systems, and Docker‑based continuous deployment.
This article explores why efficient operations are hard to achieve, identifies common pitfalls such as unclear responsibilities, communication gaps, and resource mismatches, and presents a practical framework—including clear roles, professional processes, and a good service interface—to help operations teams become more effective and satisfied.
The article argues that traditional IT operations are facing a crisis and proposes Operations 2.0—a service‑oriented, business‑aware model that leverages cloud, open‑source and automation to shift focus from technical output to reliable, value‑adding services, outlining why it is essential and how to implement it.
Immutable Infrastructure treats every server or container as a read‑only unit that is replaced rather than modified, offering repeatable configuration, faster CI/CD, easier rollback, and reduced operational complexity, while requiring stateless applications and automated provisioning templates to succeed.
This article explains how the OraZ toolset streamlines Oracle database administration by automating routine tasks, providing intelligent hang analysis, offering comprehensive health checks, and delivering real‑time instance activity insights, ultimately reducing DBA workload and improving operational efficiency.
This article chronicles UPYUN’s evolution from a modest server setup in 2005 to a sophisticated cloud operations platform, detailing the challenges, automation strategies, monitoring practices, performance visualization techniques, and lessons learned for large‑scale CDN management.
This article explains why modern IT operations rely on monitoring-driven automation, template-based deployments, and containerized tools to dramatically improve efficiency, reduce manual effort, and pave the way toward intelligent, DevOps-enabled operational platforms.
This article outlines twelve practical techniques—including TDD, ATDD, CI, pair programming, code reviews, static analysis, coding standards, automation, refactoring, early demos, user testing, and team cohesion—that collectively raise software quality while reducing bugs and development costs.
This article shares Tencent’s QQ operations team insights on handling legacy issues, standardizing package and configuration management, leveraging the ZhiYun automation platform, and applying capacity management and fault‑root analysis techniques to boost efficiency and reduce costs.
This article summarizes a seasoned operations expert’s insights on data‑center management, covering the evolution from ad‑hoc automation to a closed‑loop CMDB‑driven system, the six key capabilities for future data centers, and practical definitions of operations, automation, and DevOps.
The article explores Facebook’s experimental AI‑driven virtual assistant M, detailing its four‑step workflow, the role of human coaches, real‑world use cases like flower ordering and ticket booking, and the broader business implications for commerce and competition with Google.
This article details Meituan's supply‑chain system evolution—from its early manual processes to a highly automated, multi‑business platform—highlighting architectural redesign, dynamic forms, and product‑center structures that enabled rapid scaling and diversified service support.
This guide explains how to extract Zabbix graphs using screenid and graphid, download them via Python, store them temporarily, and attach the images to email reports for efficient database server monitoring.
This article reviews the five most popular open‑source mobile automation frameworks—Calabash, Appium, Robotium, Frank, and UIAutomator—detailing their key features, advantages, and drawbacks to help developers choose the right tool for iOS and Android testing.
The article describes how Ctrip built a large‑scale mobile testing infrastructure, including device selection, scheduling, monitoring, and the Automation Platform as a Service (APS) that integrates TestNG, Appium, Jenkins CI, and reporting to support rapid, reliable app releases.
Senior DBA and architect Bai Shan answers community questions on advancing from DBA to architect, future career routes, testing environment setup, interpreting AWR storage metrics, using sar and iostat for disk I/O monitoring, cache sizing, and the growing importance of automation in cloud-era database operations.
An in‑depth guide walks readers through building a comprehensive monitoring system for small‑to‑medium enterprises, covering hardware, system, application, network, security, traffic analysis, business metrics, log aggregation, automation, visualization, and practical integration with tools like Zabbix, IPMI, ELK, and Smokeping.
This article explores why operations teams must adopt a people‑centric mindset, outlines a three‑layer framework of framework, blood (processes & policies) and interface, and provides practical steps for improving processes, technology, and organization to boost efficiency and employee satisfaction.
JobCenter is a distributed task coordination platform that replaces crontab with a unified scheduling, monitoring, and alerting system, enabling e‑commerce teams to manage thousands of web‑service‑based jobs, ensure reliable execution, and gain clear visibility into task performance.
Clip is an automation operations tool that replaces traditional IP‑based server management with a flexible String naming scheme, offering C/S architecture, an SDK with multiple commands, and real‑world case studies that demonstrate reduced complexity and risk for large‑scale infrastructures.
This article details how to use PXE to automatically provision three‑node Oracle 11gR2 RAC clusters on bare‑metal servers, covering network planning, PXE server setup with a one‑click installer, required software download, MAC address collection, shared‑disk and node configuration, virtual tape library setup, time synchronization, and user creation.
This article explains how smart energy management, limiting overtime, saying no to low‑value tasks, delegating, avoiding perfectionism, automating repetitive work, using data‑driven decisions, and allowing idle time can dramatically improve personal and organizational productivity, backed by multiple research studies.
This article outlines a practical, resource‑conscious approach for small and medium‑size enterprises to design and implement an automated deployment pipeline using shell scripts, covering goal setting, process design, key deployment steps, tips, rollback procedures, and frequently asked questions.
The article examines how Amazon’s aggressive automation and AI initiatives transform both blue‑collar and white‑collar workers into robot‑like “Amabots,” highlighting surveillance, dehumanization, and the broader impact of machine learning on labor, decision‑making, and the future of human roles.
Grunt is a popular frontend build tool that automates tasks such as file merging, compression, linting, unit testing, and SASS/LESS compilation, helping large projects reduce network requests, improve load speed, maintain code quality, and streamline the release workflow.
The article examines recent high‑profile outages caused by human mistakes, analyzes why operational teams are prone to such errors despite automation and standards, and offers practical strategies—selecting the right people, fostering safety awareness, and turning professionalism into habit—to reduce future incidents.
This article explores the challenges of software documentation, proposes automated solutions using DevOps principles, and reviews tools that generate docs from code comments, manage versioned design documents, and integrate testing, offering practical guidance for teams to streamline documentation and improve development efficiency.
This article shares a developer’s hands‑on experience with cloud‑based automated deployment, outlining nine concrete rules—from version control of all release assets to treating deployment as a service—that dramatically improve deployment speed, reliability, and scalability across development, testing, staging, and production environments.
This article explains how Tencent Game's BlueKing platform redesigns operations by building open‑source PaaS capabilities, automating fault self‑healing, enabling fully automated game server region launches, supporting self‑service change releases, leveraging big‑data for real‑time decisions, and moving toward open‑source and hybrid‑cloud solutions.
This article outlines the evolution of Tencent Game’s BlueKing platform—from its origins in operations transformation to its modular design philosophy, six integrated services, and three maturity stages—showcasing how atomic automation, PaaS tools, and real‑time data empower scalable, data‑driven application operations.
The article reveals how operating‑tool systems, often underestimated, demand high technical rigor to ensure automation success rates and absolute reliability for emergency actions, requiring sophisticated failure handling, capacity awareness, and scalable design—challenges comparable to core online services.
This article presents two practical automation operations case studies—Xiaomi's three‑year journey to platform‑managed, self‑scheduling services and a trading exchange's step‑by‑step build from zero automation—highlighting standards, tooling, and cultural challenges for modern ops teams.
This article provides a comprehensive guide to Ansible, covering its purpose, installation via pip, ad‑hoc command usage, MySQL replication with the mysql_replication module, role‑based playbook structure, sample YAML files, execution output, and a comparison with other configuration‑management tools.
The article examines how Facebook’s massive data centers operate at scale, detailing server serviceability, automated fault‑diagnosis systems like CYBORG, staffing ratios, and the engineering practices that enable reliable service for billions of users worldwide.
This article details how Dianping’s sub‑40‑person operations team structures its groups, designs a dual‑datacenter architecture, and creates comprehensive monitoring, automation, configuration, and analysis systems—including Zabbix, Cat, workflow, Button, and a custom radar platform—to achieve high‑availability, self‑service, and continuous improvement.
This article summarizes the key insights from Dazhong Dianping's operations talk, covering team organization, multi‑datacenter architecture, comprehensive monitoring, automation workflows, configuration management tools, incident analysis systems, common pitfalls, and future directions such as PaaS and Docker adoption.
The article outlines how narrowing operational permissions, automating processes, and adopting data‑center operating systems enhance security, scalability, visibility, and fault handling while reducing manual effort and enabling rapid, low‑risk changes across large infrastructures.
This article explains the concept of DevOps, analyzes Baidu’s product‑line data to identify inefficiencies in the software delivery process, and proposes automation‑driven, lean‑focused measures such as continuous integration, script‑based testing and deployment, and single‑branch development to eliminate waste and improve collaboration between development and operations.
This guide walks you through Linux's task‑scheduling tools—at, batch, crontab, and anacron—covering one‑time and periodic job setup, command syntax, permission files, and practical examples to automate system administration tasks.
This guide explains how to use logrotate on Linux to automatically rotate, compress, and delete log files, covering installation, configuration examples for size‑based and time‑based rotation, and essential options to keep server storage under control.
The article explains how visualizing both service delivery and service metrics is essential for modern operations, describing the evolution from ITIL processes to DevOps automation, continuous delivery of infrastructure and applications, and data‑driven measurement techniques that enable consistent, agile, and measurable operational performance.
This article explains why many IT teams struggle with code that works in development but fails in production, introduces Puppet as a configuration‑management platform, describes its declarative language, resources, types, providers, classes, manifests and modules, and shows how it enables reliable, collaborative DevOps workflows.
Learn why a Bash script that reads IPs from a file and uses SSH in a while loop only processes the first host, and discover two reliable solutions—switching to a for loop or adding the -n option to SSH—to ensure all servers are queried correctly.
The article examines how modern cloud services, version‑control platforms, and automation tools can be combined to create a unified artifact repository and consistent deployment pipelines across environments, offering practical steps and cultural tips for achieving true continuous delivery.
This article compiles nine practical Bash techniques—from inserting text at the top of files and appending multiline blocks, to recursive search‑replace, temporary Vim files, secure downloads, Bashmarks, column extraction, word skipping, and custom command packages—each illustrated with ready‑to‑use code snippets.
This article introduces a ten‑year journey of a sysadmin turned operations director, outlining why efficient operations are hard, what efficient ops mean, and seven practical strategies—including clear responsibilities, professional processes, and a good service interface—to boost productivity and satisfaction across IT teams.
This article outlines a comprehensive set of principles and practical components for evolving a large‑scale system architecture, covering rapid deployment, scalability, automation, framework standardization, monitoring, tracing, storage, resource control, and continuous integration to support reliable PaaS operations.
This article shows how to replace repetitive rsync deployments with a concise Python Fabric script that automates packaging, uploading, extracting, permission setting, symlink updating, and service restarting, while explaining key Fabric APIs and error‑handling options.
This article explains how applying the NGOSS methodology to CMDB construction can clarify management scope, define granularity, automate discovery, and handle lifecycle changes, ultimately reducing operational costs and improving accuracy in IT infrastructure management.
The author recounts how a university encounter and later work demands led them to master Unix, using tools like awk, Perl, Python and Ruby to automate massive data tasks, teach courses, and champion Ubuntu and other Unix-like systems as essential, productivity‑driving platforms.
Learn how to create SSH tunnels for forward and reverse connections, set up SOCKS5 proxies, configure Windows SSH tools, and automate persistent connections with scripts like autossh, complete with practical command examples and step‑by‑step guidance for Linux and Windows environments.
