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3751 articles

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Nov 26, 2025 · Operations

How Alertmanager Turns Chaos into Calm: Mastering Alert Management for DevOps

Alertmanager, the official Prometheus alert manager, consolidates redundant alerts, supports silencing, inhibition, multi‑channel routing, and high‑availability clustering, enabling DevOps teams to quickly pinpoint critical issues, reduce noise, and streamline incident response across large server fleets with simple YAML configuration and command‑line tools.

Alert ManagementAlertmanagerDevOps

0 likes · 10 min read

How Alertmanager Turns Chaos into Calm: Mastering Alert Management for DevOps

DevOps Coach

Nov 25, 2025 · Backend Development

How to Build, Test, and Publish Your Own Jenkins Plugin from Scratch

This step‑by‑step guide explains why you might need a custom Jenkins plugin, walks you through setting up Java 21 and Maven, generating a plugin project with the Jenkins archetype, building and locally testing it, and finally publishing it to the Jenkins Marketplace with best‑practice tips for security, CI, versioning, and community engagement.

DevOpsJavaJenkins

0 likes · 19 min read

How to Build, Test, and Publish Your Own Jenkins Plugin from Scratch

IT Architects Alliance

Nov 25, 2025 · Operations

Making Architecture Decisions Observable with DevOps Monitoring

The article explains how to integrate architecture decision tracking into DevOps monitoring, detailing tagging, multi‑layer metric design, time‑window analysis, automated alerts, reporting, and continuous optimization to turn architectural choices into measurable, data‑driven outcomes.

DevOpsMetricsMonitoring

0 likes · 9 min read

Making Architecture Decisions Observable with DevOps Monitoring

Java Architect Handbook

Nov 24, 2025 · Operations

How to Fix Docker Pull Timeouts with Reliable Chinese Mirror Sources (2025 Update)

This guide explains why Docker pull commands often timeout in China due to outdated foreign registries, lists common invalid mirror configurations, provides three verified mirror URLs for 2025, and walks through editing the daemon.json file, restarting Docker, and testing the setup, while sharing practical troubleshooting lessons.

Cloud NativeDevOpsDocker

0 likes · 7 min read

How to Fix Docker Pull Timeouts with Reliable Chinese Mirror Sources (2025 Update)

DevOps Coach

Nov 24, 2025 · Operations

How AI Can End Alert Fatigue: Building Adaptive, Intelligent Monitoring

This article explains alert fatigue, its impact on reliability, and how AI‑driven adaptive thresholds, confidence scoring, and correlation engines can transform noisy monitoring into proactive, trustworthy alerts, while providing practical implementation steps, code examples, and guidance on cost, complexity, and maintenance.

AI ObservabilityDevOpsMonitoring

0 likes · 15 min read

How AI Can End Alert Fatigue: Building Adaptive, Intelligent Monitoring

Xiao Liu Lab

Nov 23, 2025 · Mobile Development

Turn Your Android Phone into a Portable Linux Development Workstation with Termux

This guide shows how to install and configure Termux on an Android device to create a full‑featured Linux development environment, covering package sources, essential tools, Git workflow, Python, Jupyter, SSH, editors, Termux:API, Zsh, tmux, and common troubleshooting steps.

AndroidDevOpsLinux

0 likes · 6 min read

Turn Your Android Phone into a Portable Linux Development Workstation with Termux

Ray's Galactic Tech

Nov 23, 2025 · Cloud Native

Mastering Kubernetes: A Complete Guide to All Core Resources

This comprehensive guide explains every major Kubernetes resource—from workload objects like Pods and Deployments to services, ingress, configuration maps, storage classes, cluster‑level objects, and security primitives—providing clear descriptions, practical YAML examples, and a handy reference summary.

DevOpsKubernetesResources

0 likes · 6 min read

Mastering Kubernetes: A Complete Guide to All Core Resources

Ray's Galactic Tech

Nov 23, 2025 · Cloud Native

25 Common Kubernetes Pitfalls and How to Fix Them

This guide enumerates 25 frequent Kubernetes misconfigurations—from missing resource limits and using latest image tags to insecure pod security settings—and provides concrete remediation steps with ready‑to‑use YAML snippets, helping operators avoid common traps and improve cluster reliability.

DevOpsKubernetesYAML

0 likes · 12 min read

25 Common Kubernetes Pitfalls and How to Fix Them

Continuous Delivery 2.0

Nov 21, 2025 · Information Security

How Google, Microsoft, and Meta Are Shaping SBOM Practices for Secure Software Supply Chains

This article examines the distinct SBOM strategies of Google, Microsoft, and Meta, highlighting Google's large‑scale automation, Microsoft's open‑source tooling, and Meta's internal security integration, and draws lessons for enterprises seeking transparent and resilient software supply chain governance.

Cloud NativeDevOpsInformation Security

0 likes · 10 min read

How Google, Microsoft, and Meta Are Shaping SBOM Practices for Secure Software Supply Chains

Liangxu Linux

Nov 20, 2025 · Operations

Avoid the ‘Delete‑Database‑and‑Run’ Nightmare: 10 Fatal Ops Pitfalls Revealed

A real 2018 incident where an ops engineer used rm ‑rf to wipe a production database sparked a deep dive into the high‑risk nature of operations, presenting Gartner statistics, psychological error factors, ten deadly pitfalls with concrete examples, and a comprehensive fault‑tolerance framework to prevent future catastrophes.

DevOpsIncident Managementautomation

0 likes · 23 min read

Avoid the ‘Delete‑Database‑and‑Run’ Nightmare: 10 Fatal Ops Pitfalls Revealed

DevOps Coach

Nov 20, 2025 · Operations

How to Build a Fast, Reliable CI/CD Pipeline from Feature Branch to Production

This article walks through a complete CI/CD workflow for teams that ship software frequently, covering feature branching, peer review, automated QA, pre‑production staging, and production deployment with canary and blue‑green strategies, while sharing practical tips and common pitfalls.

Continuous DeliveryDeployment PipelineDevOps

0 likes · 7 min read

How to Build a Fast, Reliable CI/CD Pipeline from Feature Branch to Production

Ray's Galactic Tech

Nov 20, 2025 · Cloud Native

Mastering Kubernetes Pod Lifecycle: Phases, Probes, Hooks, and Graceful Termination

Understanding the Kubernetes Pod lifecycle—from phases and conditions to init containers, probes, lifecycle hooks, restart policies, and graceful termination—provides essential insight for troubleshooting, ensuring high availability, and designing robust, resilient applications in cloud-native environments.

ContainersDevOpsKubernetes

0 likes · 7 min read

Mastering Kubernetes Pod Lifecycle: Phases, Probes, Hooks, and Graceful Termination

DevOps Coach

Nov 18, 2025 · Operations

Why Platform Engineering Is the Next Evolution of DevOps for 2025

Platform engineering emerges as the new DevOps, offering internal developer platforms that streamline complex microservice ecosystems, reduce tool sprawl, enforce golden paths, and empower developers while relieving ops teams, with practical steps, real‑world case studies, and a roadmap for organizations of any size to boost productivity and reliability.

DevOpsGolden PathInternal Developer Platform

0 likes · 9 min read

Why Platform Engineering Is the Next Evolution of DevOps for 2025

Ray's Galactic Tech

Nov 18, 2025 · Operations

Master Enterprise‑Grade GitLab CI/CD: From Zero to Full Automation

This guide walks you through building a complete, production‑ready GitLab CI/CD automation system—from installing and registering runners, crafting multi‑stage .gitlab-ci.yml pipelines, implementing multi‑environment deployments, applying enterprise security practices, to optimizing performance and configuring automated rollbacks and notifications.

DeploymentDevOpsGitLab CI/CD

0 likes · 11 min read

Master Enterprise‑Grade GitLab CI/CD: From Zero to Full Automation

转转QA

Nov 18, 2025 · Operations

How to Seamlessly Upgrade SonarQube from V7 to V10.7 for JDK8‑JDK21 Support

This guide details a step‑by‑step, incremental upgrade of SonarQube from V7.9.6 LTS to V10.7 LTS, covering project background, upgrade value, challenges, strategy, technical implementation, JDK compatibility, plugin migration, multi‑JDK handling, authentication changes, reference‑branch feature, and post‑upgrade results with lessons learned.

DevOpsJDK CompatibilityPlugin migration

0 likes · 20 min read

How to Seamlessly Upgrade SonarQube from V7 to V10.7 for JDK8‑JDK21 Support

Big Data Technology Tribe

Nov 18, 2025 · Cloud Native

Master Dockerfile: Core Commands, Multi‑Stage Builds, and Handy Tricks

This guide explains Dockerfile fundamentals, covering essential instructions like FROM, RUN, COPY, WORKDIR, ENV, EXPOSE, CMD, and ENTRYPOINT, shows a complete example, demonstrates multi‑stage builds to shrink images, and shares practical tips for reliable builds.

DevOpsDockerfileImage Optimization

0 likes · 6 min read

Master Dockerfile: Core Commands, Multi‑Stage Builds, and Handy Tricks

Advanced AI Application Practice

Nov 17, 2025 · Fundamentals

Why Managing Test Environments Is a Core Skill for Test Engineers

The article explains that a reliable, production‑like test environment is essential for uncovering critical bugs, ensuring test efficiency, and driving a tester's technical growth, and it offers a multi‑dimensional analysis and practical steps for mastering this fundamental capability.

DevOpsenvironment managementquality assurance

0 likes · 12 min read

Why Managing Test Environments Is a Core Skill for Test Engineers

Raymond Ops

Nov 14, 2025 · Operations

Step‑by‑Step Guide to Install an ElasticSearch 7.17.x Cluster on Ubuntu

This tutorial walks through installing Java, configuring hostnames and hosts files, synchronizing time, tuning system parameters, creating Elasticsearch directories and users, downloading and extracting ElasticSearch 7.17.x, setting up its configuration and systemd service, starting the three‑node cluster, and verifying its health on Ubuntu 22.04.

ClusterDevOpsInstallation

0 likes · 12 min read

Step‑by‑Step Guide to Install an ElasticSearch 7.17.x Cluster on Ubuntu

Top Architect

Nov 13, 2025 · Operations

Build a Simple Jenkins‑Maven‑Git CI/CD Pipeline for Java Applications

This step‑by‑step guide shows how to set up a three‑server environment with GitLab, Jenkins, and a test machine, configure Maven and SSH Publisher plugins, create a Spring Boot project, and automate code push, build, deployment, and cleanup using Jenkins pipelines and shell scripts.

DevOpsGitJenkins

0 likes · 14 min read

Build a Simple Jenkins‑Maven‑Git CI/CD Pipeline for Java Applications

Architect's Tech Stack

Nov 11, 2025 · Cloud Native

Discover 10 Must-Have Docker Images to Supercharge Your Development

This guide curates a selection of useful Docker images—including code‑server, CloudBeaver, QingLong, PocketBase, Homer, Uptime‑Kuma, Memos, Umami, Flame, Filebrowser, and Dockge—detailing their key features, recommended use cases, and ready‑to‑run Docker and docker‑compose commands to streamline development, monitoring, and personal workflows.

Backend DevelopmentCloud NativeDevOps

0 likes · 17 min read

Discover 10 Must-Have Docker Images to Supercharge Your Development

Ops Community

Nov 10, 2025 · Operations

100 Essential Operations Interview Questions to Ace Your DevOps Interview

This article compiles 100 common operations interview questions covering DevOps principles, CI/CD, infrastructure as code, monitoring, automation, containerization, Kubernetes, Linux system administration, security, and shell scripting, providing a comprehensive study guide for candidates aiming for roles at major tech firms.

DevOpsInterview QuestionsLinux

0 likes · 4 min read

100 Essential Operations Interview Questions to Ace Your DevOps Interview

MaGe Linux Operations

Nov 10, 2025 · Operations

100 Essential Operations Interview Questions to Boost Your Career

This article compiles 100 common operations interview questions from major tech companies, covering DevOps principles, CI/CD, infrastructure as code, monitoring, automation, Linux system administration, security, and scripting, providing a comprehensive study guide for aspiring sysadmins and site reliability engineers.

DevOpsInterviewOperations

0 likes · 4 min read

100 Essential Operations Interview Questions to Boost Your Career

Xiao Liu Lab

Nov 8, 2025 · Operations

One-Command Docker Setup for Chinese Servers: Fast, Secure, Mirror‑Optimized

This guide shows how a single shell script can automatically detect the Linux distribution, install Docker CE using Alibaba Cloud mirrors, configure three domestic registry accelerators, and verify the installation, providing a fast and secure Docker environment for developers in China.

DevOpsDockerInstallation

0 likes · 5 min read

One-Command Docker Setup for Chinese Servers: Fast, Secure, Mirror‑Optimized

Linux Cloud Computing Practice

Nov 8, 2025 · Operations

How to Become a Senior Linux Ops Engineer: A Step‑by‑Step Learning Roadmap

This article outlines a practical learning path for Linux operations engineers, detailing the three career stages and providing a comprehensive roadmap from junior to senior levels to help professionals advance their skills and stand out in the field.

Cloud ComputingDevOpsLinux

0 likes · 3 min read

How to Become a Senior Linux Ops Engineer: A Step‑by‑Step Learning Roadmap

JavaEdge

Nov 7, 2025 · Artificial Intelligence

Can a PDCA Framework Unlock AI Code Generation’s Full Potential?

This article examines why AI‑assisted coding often falls short on quality and integration, introduces a structured PDCA workflow to guide AI interactions, presents experimental data comparing PDCA‑guided and unstructured approaches, and outlines practical guidelines and future enhancements for sustainable AI‑driven software development.

AI Code GenerationDevOpsPDCA

0 likes · 15 min read

Can a PDCA Framework Unlock AI Code Generation’s Full Potential?

Java Web Project

Nov 7, 2025 · Operations

Master Jenkins Declarative & Scripted Pipelines: Full Guide with Real‑World Examples

This article explains Jenkins pipelines, compares declarative and scripted syntax, walks through agents, stages, steps, post actions, parameters, options, triggers, input, conditional execution, parallel builds, environment variables, and credential handling, providing concrete Jenkinsfile examples for each concept.

DevOpsDockerJenkins

0 likes · 26 min read

Master Jenkins Declarative & Scripted Pipelines: Full Guide with Real‑World Examples

IT Architects Alliance

Nov 6, 2025 · Cloud Native

Designing High‑Performance Cloud‑Native CI/CD Pipelines: Best Practices

This article examines the challenges of migrating traditional deployment pipelines to cloud‑native environments and provides concrete design principles, code examples, and optimization techniques to build fast, reliable, and observable CI/CD pipelines on Kubernetes.

Cloud NativeDevOpsDocker

0 likes · 11 min read

Designing High‑Performance Cloud‑Native CI/CD Pipelines: Best Practices

Efficient Ops

Nov 5, 2025 · Operations

Boost Ops Efficiency: Exploring 8 Essential MCP Components for Smart Automation

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.

Cloud ManagementDevOpsMCP

0 likes · 6 min read

Boost Ops Efficiency: Exploring 8 Essential MCP Components for Smart Automation

DevOps Coach

Nov 5, 2025 · Operations

How to Pilot AIOps: A Practical Guide to Reducing Alert Noise and Boosting Reliability

This guide explains what AIOps is, why it matters, how it fits into modern observability stacks, and provides a step‑by‑step pilot plan, quick‑win ideas, build‑or‑buy considerations, a tiny Python anomaly‑detection sample, safety tips, risk traps, and metrics to prove its impact.

Alert Noise ReductionAnomaly DetectionDevOps

0 likes · 12 min read

How to Pilot AIOps: A Practical Guide to Reducing Alert Noise and Boosting Reliability

DevOps Operations Practice

Nov 5, 2025 · Cloud Computing

Master Terraform: A Beginner’s Guide to Cloud Infrastructure Automation

This article introduces Terraform, an open‑source Infrastructure as Code tool, explains its core concepts such as declarative programming, resources, providers, and state management, and walks readers through the complete workflow from writing configurations to applying and destroying cloud resources.

Cloud ComputingDevOpsautomation

0 likes · 6 min read

Master Terraform: A Beginner’s Guide to Cloud Infrastructure Automation

Java Tech Enthusiast

Nov 5, 2025 · Operations

Build a Simple Jenkins CI/CD Pipeline with Maven and Git

This guide walks you through setting up a basic CI/CD workflow using Jenkins, Maven, and Git on three servers—GitLab, Jenkins, and a test machine—covering prerequisites, project creation, pipeline configuration, Maven builds, SSH publishing, and cleanup scripts to achieve automated deployment.

DevOpsGitJenkins

0 likes · 12 min read

Build a Simple Jenkins CI/CD Pipeline with Maven and Git

Efficient Ops

Nov 4, 2025 · Operations

How a Parameter Linking Platform Boosted DevOps Efficiency by 50% at ICBC

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.

Cloud NativeConfiguration ManagementDevOps

0 likes · 9 min read

How a Parameter Linking Platform Boosted DevOps Efficiency by 50% at ICBC

Linux Ops Smart Journey

Nov 3, 2025 · Cloud Native

How to Build a Production-Ready High-Availability Keycloak Cluster

Learn step‑by‑step how to design and deploy a production‑grade, high‑availability Keycloak cluster using external databases, distributed session management with Infinispan, HAProxy reverse proxy, TLS termination, and Docker‑Compose orchestration, ensuring scalability, fault tolerance, and secure identity management for cloud‑native applications.

Cloud NativeDevOpsDocker-Compose

0 likes · 8 min read

How to Build a Production-Ready High-Availability Keycloak Cluster

Ray's Galactic Tech

Nov 2, 2025 · Cloud Native

Build a Full CI/CD Pipeline with Kubernetes, Jenkins, and Harbor

This guide walks you through the theory, architecture, and step‑by‑step deployment of a production‑grade CI/CD pipeline that combines Kubernetes, Jenkins, and Harbor, providing concrete Helm commands, YAML manifests, and a Jenkinsfile to automate code‑to‑image‑to‑deployment workflows.

DevOpsHarborJenkins

0 likes · 9 min read

Build a Full CI/CD Pipeline with Kubernetes, Jenkins, and Harbor

Xiao Liu Lab

Oct 31, 2025 · Cloud Native

How to Hide Multiple Docker Apps Behind a Single Nginx Gateway

This guide shows how to containerize five services, expose only ports 80/443 via an Nginx reverse‑proxy container, route traffic by sub‑domain, secure everything with HTTPS, and simplify deployment and maintenance using Docker‑Compose.

ContainerDevOpsreverse proxy

0 likes · 11 min read

How to Hide Multiple Docker Apps Behind a Single Nginx Gateway

Linux Cloud Computing Practice

Oct 31, 2025 · Cloud Native

Essential Docker Commands Every Developer Should Master

This guide compiles the most frequently used Docker commands, organized into categories such as basic operations, image management, container handling, data and volume control, network configuration, security, and additional utilities, helping developers streamline deployment and resource management in containerized environments.

ContainerDevOpscloud-native

0 likes · 2 min read

Essential Docker Commands Every Developer Should Master

Ray's Galactic Tech

Oct 30, 2025 · Operations

Master Kubernetes Troubleshooting: Common Issues and How to Fix Them

This guide walks you through the most frequent Kubernetes problems—from image pull failures and CrashLoopBackOff to DNS, storage, node readiness, and RBAC errors—providing clear diagnosis steps, essential kubectl commands, and concrete solutions to keep your clusters healthy.

DevOpsKubernetesTroubleshooting

0 likes · 11 min read

Master Kubernetes Troubleshooting: Common Issues and How to Fix Them

Tencent Advertising Technology

Oct 30, 2025 · Operations

How Tencent Ads Achieved Full‑Automation CI/CD with AI‑Driven Monitoring

This article details Tencent Ads' systematic transformation of its CI/CD pipeline into a fully automated, data‑driven process, highlighting the challenges of manual labor, release quality, and iteration speed, and describing the AI‑powered monitoring and intelligent interception mechanisms that enable zero‑human deployment and multi‑release per day.

AI MonitoringDevOpsTencent Ads

0 likes · 31 min read

How Tencent Ads Achieved Full‑Automation CI/CD with AI‑Driven Monitoring

DevOps in Software Development

Oct 30, 2025 · R&D Management

Mastering GJB5000 Requirement Traceability: From User Intent to Code

Under the GJB5000 standard, this guide outlines a four‑level requirement decomposition—from user intent through system and software requirements down to technical tasks—detailing definitions, artifacts, traceability matrices, and automated linking of requirements to code branches to ensure end‑to‑end visibility and DevOps compliance.

DevOpsGJB5000R&D Management

0 likes · 13 min read

Mastering GJB5000 Requirement Traceability: From User Intent to Code

Open Source Linux

Oct 30, 2025 · Operations

30 Essential Ansible Interview Questions & Answers for Linux Cloud Jobs

This guide compiles 30 progressively harder Ansible interview questions covering fundamentals, core components, advanced usage, best practices, and architecture, each paired with detailed answer analyses to help candidates stand out in Linux cloud computing job interviews.

DevOpsInterviewLinux

0 likes · 31 min read

30 Essential Ansible Interview Questions & Answers for Linux Cloud Jobs

Advanced AI Application Practice

Oct 30, 2025 · Operations

How Non‑Coding Test Engineers Can Master the Relationship Between CI/CD and DevOps

The article explains that CI/CD is a set of automation tools while DevOps is a collaborative culture, shows how they complement each other, and provides three practical actions—defining business scenarios for CI, syncing test‑environment needs with ops, and monitoring quality post‑deployment—for test engineers without coding skills.

CollaborationDevOpsautomation

0 likes · 8 min read

How Non‑Coding Test Engineers Can Master the Relationship Between CI/CD and DevOps

Open Source Linux

Oct 29, 2025 · Backend Development

30 Must‑Know Nginx Interview Questions to Ace Your Linux Cloud Job

A comprehensive collection of 30 Nginx interview questions—from basic concepts and commands to advanced performance tuning and high‑availability—organized by difficulty level, each with detailed explanations, best‑practice answers, and ready‑to‑use configuration snippets for Linux cloud engineers.

DevOpsInterviewLinux

0 likes · 38 min read

30 Must‑Know Nginx Interview Questions to Ace Your Linux Cloud Job

Advanced AI Application Practice

Oct 29, 2025 · Operations

How Test Engineers Without Coding Skills Can Master CI/CD Without Fear

This guide shows non‑coding test engineers how to understand CI (continuous integration) and CD (continuous deployment), why they’re not exclusive to developers, and three practical actions—business‑scenario requirement submission, targeted testing of generated builds, and rapid feedback—to turn CI/CD into an efficiency partner.

Continuous DeploymentDevOpsTest Engineering

0 likes · 14 min read

How Test Engineers Without Coding Skills Can Master CI/CD Without Fear

DevOps Coach

Oct 28, 2025 · Cloud Native

20 Essential Kubernetes Tips to Boost Security, Reliability, and Manageability

This guide presents twenty practical Kubernetes best‑practice tips covering productivity shortcuts, resource limits, health probes, node draining, PodDisruptionBudgets, RBAC hardening, read‑only ConfigMaps/Secrets, non‑root containers, network policies, image version pinning, secret rotation, centralized logging, etcd backups, resource cleanup, and secure access methods.

Best PracticesCluster ManagementDevOps

0 likes · 8 min read

20 Essential Kubernetes Tips to Boost Security, Reliability, and Manageability

MaGe Linux Operations

Oct 27, 2025 · Operations

10 Essential Automation Ops Practices to Transform From Firefighter to Architect

This article shares ten practical automation operations practices—from infrastructure as code and configuration layering to GitOps, self‑service platforms, and AI‑driven monitoring—illustrating how teams can evolve from reactive fire‑fighting to proactive, scalable, and cost‑efficient architecture.

DevOpsGitOpsaiops

0 likes · 15 min read

10 Essential Automation Ops Practices to Transform From Firefighter to Architect

Tencent Technical Engineering

Oct 27, 2025 · Artificial Intelligence

How AI Programming Is Transforming Software Development – A Practical Guide

This article explores the strategic impact of AI‑assisted coding, outlines a comprehensive AI × SDLC methodology, showcases three real‑world scenarios—from end‑to‑end development pipelines to Figma‑to‑code automation and backend system evolution—while highlighting practical tips, pitfalls, and organizational changes needed to fully harness AI programming.

DevOpsprompt engineeringquality assurance

0 likes · 71 min read

How AI Programming Is Transforming Software Development – A Practical Guide

Advanced AI Application Practice

Oct 25, 2025 · Operations

Mastering Jenkins for API Automation: Core Concepts and CI/CD Practices

This article explains Jenkins' fundamental concepts—including jobs, nodes, pipelines, plugins, and credentials—and shows why its powerful scheduling, rich ecosystem, stability, and pipeline‑as‑code approach make it ideal for building automated API testing CI/CD workflows, illustrated with a complete Jenkinsfile example.

Learn a step‑by‑step, production‑ready guide to install, configure, secure, and scale Harbor—a private container and Helm chart registry—on a Kubernetes cluster, covering Helm preparation, values.yaml tuning, TLS, persistence, authentication, high‑availability, monitoring, CI/CD integration, and troubleshooting.

Cloud NativeContainer RegistryDevOps

0 likes · 9 min read

How to Deploy and Operate an Enterprise‑Grade Harbor Registry on Kubernetes

vivo Internet Technology

Oct 15, 2025 · Backend Development

Inside Vivo’s 2025 VDC: Traffic Management, Microservice Optimizations & AI GPU Platforms

The 2025 Vivo Developer Conference showcased cutting‑edge advances in traffic‑driven growth, microservice and Dubbo performance tuning, full‑link multi‑version environment automation, and GPU‑container AI training platforms, highlighting how these innovations boost efficiency, reliability, and cost‑effectiveness across Vivo’s internet services.

AI trainingDevOpsDubbo

0 likes · 9 min read

Inside Vivo’s 2025 VDC: Traffic Management, Microservice Optimizations & AI GPU Platforms

MaGe Linux Operations

Oct 15, 2025 · Cloud Native

Master Kubernetes Troubleshooting: From CrashLoopBackOff to Network Failures

This comprehensive guide walks you through Kubernetes fault diagnosis, covering pod lifecycle issues, resource scheduling, network communication errors, storage mounting problems, and node failures, with step‑by‑step methodologies, essential kubectl commands, real‑world case studies, and best‑practice recommendations to quickly identify and resolve production incidents.

DevOpsKubernetesMonitoring

0 likes · 36 min read

Master Kubernetes Troubleshooting: From CrashLoopBackOff to Network Failures

Ray's Galactic Tech

Oct 14, 2025 · Cloud Native

Unlock Docker’s Core Architecture: Images, Containers, and the Engine Explained

This article breaks down Docker’s fundamental architecture, covering the distinction between images and containers, the client‑server components, the step‑by‑step run process, underlying Linux kernel features, and a logistics‑warehouse analogy to help readers quickly master Docker fundamentals.

ContainersDevOpsDocker

0 likes · 5 min read

Unlock Docker’s Core Architecture: Images, Containers, and the Engine Explained

dbaplus Community

Oct 13, 2025 · Cloud Native

10 Common Kubernetes Deployment Errors and How to Fix Them

When Kubernetes deployments fail, most issues stem from misconfigurations, image problems, or resource constraints, and this guide explains the ten most frequent errors, detailed troubleshooting commands, a generic debugging framework, and proactive practices to prevent future failures.

The article details China's regulatory push for DevOps, the launch of CAICT's organization‑level DevOps platform assessment, China Railway Investment Group's successful dual certification, and insights from its leaders on strategic benefits, implementation challenges, and future trends of enterprise‑wide DevOps adoption.

DevOpsIT Governanceagile

0 likes · 17 min read

How China Railway Investment Group Built a Winning Organization‑Level DevOps Platform

DevOps Coach

Oct 9, 2025 · Information Security

How to Harden GitHub Actions: Proven Security Practices for Safer CI/CD

This guide explains why GitHub Actions need protection, reviews core concepts, and provides step‑by‑step hardening measures—including read‑only token defaults, trusted action sources, branch‑protection rules, secret management, explicit permissions, SHA pinning, and runner security—to keep CI/CD pipelines safe from real‑world attacks.

CI/CD securityDevOpsGitHub Actions

0 likes · 10 min read

How to Harden GitHub Actions: Proven Security Practices for Safer CI/CD

ITPUB

Oct 9, 2025 · Operations

From Server Restart to High‑Pay Ops Engineer: Career Path & Skills Guide

This article outlines the typical salary stages for operations engineers in China, detailing the job responsibilities, required qualifications, and essential technical skills—from basic server maintenance to advanced automation, high‑availability architecture, and cloud‑native DevOps practices—helping newcomers chart a clear growth roadmap.

DevOpsLinuxcareer

0 likes · 14 min read

From Server Restart to High‑Pay Ops Engineer: Career Path & Skills Guide

AndroidPub

Oct 9, 2025 · Artificial Intelligence

How AI is Revolutionizing Software Development: Insights from DORA 2025

The 2025 DORA report reveals that 90% of software professionals now use AI daily, boosting productivity across tasks such as coding, testing, and documentation, while also exposing trust challenges and highlighting the need for cultural and process changes to fully harness AI’s transformative potential.

AI adoptionAI trustDORA report

0 likes · 7 min read

How AI is Revolutionizing Software Development: Insights from DORA 2025

MaGe Linux Operations

Oct 8, 2025 · Operations

Build an Enterprise‑Grade DevOps Pipeline in 7 Days: Hands‑On Guide + Ready‑to‑Use Scripts

This step‑by‑step guide shows how to create a full‑stack, enterprise‑level DevOps CI/CD pipeline—from environment setup and Docker installation to Jenkins pipeline scripts, Kubernetes deployments, monitoring, security hardening, and cost‑optimisation—enabling teams to reduce release cycles from days to minutes within a week.

DevOpsDockerInfrastructure

0 likes · 38 min read

Build an Enterprise‑Grade DevOps Pipeline in 7 Days: Hands‑On Guide + Ready‑to‑Use Scripts

IT Architects Alliance

Oct 7, 2025 · Cloud Native

How to Transform Legacy IT Systems into Cloud‑Native Architecture: A Step‑by‑Step Guide

This article examines the limitations of traditional IT infrastructures and presents a progressive, cloud‑native refactoring roadmap—including containerization, micro‑service migration, Kubernetes orchestration, and DevOps practices—supported by concrete YAML examples and best‑practice recommendations for risk mitigation, cost optimization, and continuous evolution.

Cloud NativeDevOpsMicroservices

0 likes · 10 min read

How to Transform Legacy IT Systems into Cloud‑Native Architecture: A Step‑by‑Step Guide

MaGe Linux Operations

Oct 7, 2025 · Operations

7 Fatal Monitoring Alert Mistakes That Keep You Up at 3 AM—and How to Fix Them

This article examines why ops engineers are repeatedly woken by false alerts, outlines seven common monitoring alert pitfalls—from over‑alerting to static thresholds—and provides practical solutions such as golden‑signal rules, dynamic baselines, alert enrichment, routing, suppression, and continuous quality audits.

DevOpsMonitoringObservability

0 likes · 27 min read

7 Fatal Monitoring Alert Mistakes That Keep You Up at 3 AM—and How to Fix Them

dbaplus Community

Oct 7, 2025 · Operations

Why Ops Engineers Need a Massive Knowledge Stack—and How to Master It

This comprehensive guide explains why modern operations engineers must cover the full technology stack, outlines common learning pitfalls, presents a three‑layer, nine‑domain knowledge framework, and offers a step‑by‑step, personalized roadmap with practical labs and career‑growth advice.

DevOpsInfrastructureLearning Path

0 likes · 14 min read

Why Ops Engineers Need a Massive Knowledge Stack—and How to Master It

IT Services Circle

Oct 6, 2025 · Backend Development

Mastering Backend Development: A Complete Modern Server Guide

This guide covers essential backend development topics—including core responsibilities, HTTP basics, routing, serialization, authentication, middleware, request handling, CRUD, REST best practices, databases, caching, email, task queues, Elasticsearch, error handling, configuration, observability, graceful shutdown, security, performance, concurrency, object storage, real‑time systems, testing, the 12‑factor app, OpenAPI, and DevOps—offering practical insights for building robust, scalable server‑side applications.

APIDevOpsPerformance

0 likes · 69 min read

Mastering Backend Development: A Complete Modern Server Guide

MaGe Linux Operations

Oct 4, 2025 · Operations

How to Stop 3 AM Alert Calls: 5 Smart Monitoring Techniques

This article reveals why engineers are woken up at 3 am by noisy alerts, analyzes the evolution and pain points of monitoring systems, and presents five practical techniques—including severity grading, aggregation, dynamic thresholds, intelligent routing, and data‑driven effectiveness analysis—to transform alert noise into actionable, reliable notifications.

DevOpsMonitoringalerting

0 likes · 44 min read

How to Stop 3 AM Alert Calls: 5 Smart Monitoring Techniques

DevOps Coach

Oct 2, 2025 · Interview Experience

10 Hard‑Earned Infrastructure Lessons Every Engineer Should Know

Drawing from real incidents like SQLite crashes, missing logs, unthrottled APIs, slow container startups, queue bottlenecks, network partitions, unreliable clocks, and weak alerts, this article shares ten concrete infrastructure lessons with code examples, performance data, and practical recommendations to avoid costly pitfalls.

DevOpsGoInfrastructure

0 likes · 8 min read

10 Hard‑Earned Infrastructure Lessons Every Engineer Should Know

MaGe Linux Operations

Sep 30, 2025 · Cloud Native

How I Cut Kubernetes Troubleshooting Time from 30 Minutes to 3 Minutes

This article presents a complete, step‑by‑step method for reducing average Kubernetes fault‑diagnosis time from half an hour to under three minutes, covering the root causes of slow manual debugging, a one‑click diagnostic script, efficient kubectl shortcuts, visual tools, log aggregation, automated response workflows, and real‑world case studies.

DevOpsMonitoringTroubleshooting

0 likes · 50 min read

How I Cut Kubernetes Troubleshooting Time from 30 Minutes to 3 Minutes

DevOps Coach

Sep 29, 2025 · Operations

Mastering Jenkins Shared Libraries: Build, Version, Test, and Scale Your CI/CD

This guide walks you through designing, constructing, version‑controlling, testing, and governing enterprise‑grade Jenkins Shared Libraries so you can treat your pipelines as reusable, maintainable software projects and accelerate CI/CD across teams.

DevOpsGovernanceJenkins

0 likes · 8 min read

Mastering Jenkins Shared Libraries: Build, Version, Test, and Scale Your CI/CD

Raymond Ops

Sep 29, 2025 · Cloud Native

Master GitLab: From History to Full Installation & Configuration Guide

This article provides a comprehensive overview of GitLab—including its origins, key features, and evolution—followed by detailed, step‑by‑step instructions for installing, configuring, and accessing GitLab on Rocky Linux, covering repository management, CI/CD pipelines, and Kubernetes integration.

Cloud NativeDevOpsGitLab

0 likes · 9 min read

Master GitLab: From History to Full Installation & Configuration Guide

Practical DevOps Architecture

Sep 28, 2025 · Operations

Master DevOps: From Fundamentals to Advanced CI/CD Practices

This comprehensive DevOps training course covers theory, Jenkins, GitLab CI/CD, build tools, artifact management, SonarQube, Nexus, Docker/Kubernetes, VM deployment, Jira automation, and advanced extensions, providing step‑by‑step video tutorials for each topic.

DevOpsDockerGitLab

0 likes · 13 min read

Master DevOps: From Fundamentals to Advanced CI/CD Practices

Mike Chen's Internet Architecture

Sep 27, 2025 · Operations

Why Docker Starts in Milliseconds: Core Technologies Explained

This article breaks down the key technologies—lightweight process isolation, layered union file systems, Linux namespaces and cgroups, and image caching—that enable Docker containers to start in milliseconds instead of seconds and dramatically improve deployment speed.

ContainerizationDevOpsDocker

0 likes · 4 min read

Why Docker Starts in Milliseconds: Core Technologies Explained

ITPUB

Sep 27, 2025 · Information Security

Master SSH Security: Keys, Port Hiding, 2FA, Jump Hosts & Zero Trust

This guide walks through hardening SSH against massive brute‑force attacks by switching to ed25519 key authentication, disabling password logins, obscuring the default port, tightening user permissions, adding two‑factor authentication, configuring bastion hosts, setting connection limits, centralizing logs, rotating keys regularly, and adopting a zero‑trust architecture with HashiCorp Vault.

DevOpsLinuxZero Trust

0 likes · 15 min read

Master SSH Security: Keys, Port Hiding, 2FA, Jump Hosts & Zero Trust

Cloud Native Technology Community

Sep 25, 2025 · Cloud Native

Master the Top 10 Kubernetes Troubleshooting Techniques Every DevOps Engineer Needs

This guide walks DevOps engineers through ten essential Kubernetes troubleshooting techniques—covering CrashLoopBackOff, ImagePullBackOff, NotReady nodes, Pending pods, and OOMKilled errors—with step‑by‑step commands, log analysis, and resource management strategies to quickly diagnose and resolve common cluster issues.

ContainerDevOpsKubernetes

0 likes · 12 min read

Master the Top 10 Kubernetes Troubleshooting Techniques Every DevOps Engineer Needs

Continuous Delivery 2.0

Sep 25, 2025 · Fundamentals

How to Stay Irreplaceable as a Developer in the AI Era

In the AI era, developers who master big‑picture thinking, build automated delivery pipelines, quantify business impact, and use AI as a tool rather than a crutch become truly indispensable, outpacing those who rely solely on raw coding speed.

AI eraDevOpsSoftware Architecture

0 likes · 10 min read

How to Stay Irreplaceable as a Developer in the AI Era

dbaplus Community

Sep 23, 2025 · Cloud Native

Mastering Kubernetes in 2025: 6 Proven Strategies for Secure, Scalable Ops

This guide outlines six essential Kubernetes management practices for 2025—Infrastructure as Code, centralized monitoring and logging, SSL-offloaded ingress, RBAC with OIDC, GitOps deployments, and secret management—offering concrete steps, tool recommendations, and security tips to build reliable, automated cloud‑native clusters.

Cloud NativeDevOpsGitOps

0 likes · 7 min read

Mastering Kubernetes in 2025: 6 Proven Strategies for Secure, Scalable Ops

Efficient Ops

Sep 23, 2025 · Operations

Master Essential Ansible Modules: Ping, Setup, File, Copy, Service, and More

This guide reviews essential Ansible modules—including ping, setup, file, copy, service, cron, yum, user, group, synchronize, mount, get_url, and command—explaining their purposes, key options, and providing practical command‑line examples for effective agentless automation.

Configuration ManagementDevOpsIT Operations

0 likes · 13 min read

Master Essential Ansible Modules: Ping, Setup, File, Copy, Service, and More

Raymond Ops

Sep 22, 2025 · Operations

Master Canary Deployments with Argo Rollout: A Step‑by‑Step Guide

This guide explains how to implement canary releases on Kubernetes using Argo Rollout, covering manual setup of production and canary environments, traffic splitting via Ingress annotations, and fully automated rollout steps with weight adjustments, pauses, and promotion to production.

Argo RolloutDevOpsKubernetes

0 likes · 16 min read

Master Canary Deployments with Argo Rollout: A Step‑by‑Step Guide

Ops Community

Sep 22, 2025 · Operations

20 Essential Linux Commands Every Ops Engineer Must Master

This guide presents twenty indispensable Linux commands—covering system monitoring, performance analysis, process management, networking, disk handling, and system tuning—along with practical examples, tips, and common pitfalls, empowering operations engineers to quickly diagnose and resolve production issues in modern cloud‑native environments.

Command LineDevOpsLinux

0 likes · 14 min read

20 Essential Linux Commands Every Ops Engineer Must Master

dbaplus Community

Sep 22, 2025 · Cloud Native

5 Proven Dockerfile Tricks That Senior Developers Swear By

Learn five practical Dockerfile techniques—minimizing layers, using .dockerignore, multi‑stage builds, pinning base image versions, and adding HEALTHCHECK—to create smaller, faster, more secure containers, illustrated with real‑world examples and step‑by‑step commands for senior‑level efficiency.

ContainerDevOpsDocker

0 likes · 10 min read

5 Proven Dockerfile Tricks That Senior Developers Swear By

Efficient Ops

Sep 21, 2025 · Cloud Native

Master Helm: The Ultimate Guide to Kubernetes Package Management

This comprehensive guide explains what Helm is, its core concepts like charts and releases, how to install and upgrade it across platforms, essential commands for managing charts and releases, and why Helm simplifies Kubernetes application deployment, version control, and dependency management.

DevOpshelmpackage management

0 likes · 8 min read

Master Helm: The Ultimate Guide to Kubernetes Package Management

DevOps Coach

Sep 21, 2025 · Operations

Why Jenkins Is Falling Behind and How GitHub Actions Can Revitalize Your CI/CD

The article examines Jenkins' security, performance, and maintenance challenges, illustrates how GitHub Actions offers built‑in security, auto‑scaling, and simple YAML configuration, and provides real‑world impact data and a step‑by‑step migration guide for DevOps teams seeking a modern CI/CD solution.

DevOpsGitHub ActionsJenkins

0 likes · 9 min read

Why Jenkins Is Falling Behind and How GitHub Actions Can Revitalize Your CI/CD

Ops Community

Sep 20, 2025 · Operations

How One Nginx Tweak Rescued a Crashing Server and Boosted Performance 5×

An urgent 3 AM outage on an e‑commerce site triggered a CPU spike and massive latency, but by separating static and dynamic traffic with Nginx, adding smart caching and load‑balancing, the author restored stability, cut page load time by 75 % and dramatically reduced server load.

CachingDevOpsServer Administration

0 likes · 11 min read

How One Nginx Tweak Rescued a Crashing Server and Boosted Performance 5×

Raymond Ops

Sep 20, 2025 · Operations

Quick Guide: Install Portainer to Manage Docker & Kubernetes

This guide walks you through installing the open‑source Portainer UI, checking system and Docker versions, running the Portainer server and agent containers, accessing the web interface via HTTP/HTTPS, and completing the initial admin setup, providing a streamlined way to manage Docker and Kubernetes resources without command‑line complexity.

Container ManagementDevOpsDocker

0 likes · 5 min read

Quick Guide: Install Portainer to Manage Docker & Kubernetes

DevOps Cloud Academy

Sep 20, 2025 · Artificial Intelligence

How to Build Scalable AI Infrastructure: A Complete Guide

This article explains why robust AI infrastructure is essential, outlines its key components—from specialized hardware and orchestration platforms to security and governance—and provides a step‑by‑step roadmap, real‑world case studies, and best‑practice recommendations for constructing and continuously optimizing AI systems.

DevOpsdata pipelines

0 likes · 17 min read

How to Build Scalable AI Infrastructure: A Complete Guide

Ops Development & AI Practice

Sep 19, 2025 · Operations

Why SSH Agent Forwarding Fails and How Resetting the Master Connection Fixes It

This guide explains why SSH agent forwarding can break despite correct client and server settings, reveals the hidden role of connection multiplexing, and provides a step‑by‑step solution to reset the master connection so forwarding works again.

Agent ForwardingConnection MultiplexingDevOps

0 likes · 7 min read

Why SSH Agent Forwarding Fails and How Resetting the Master Connection Fixes It

Architect's Tech Stack

Sep 19, 2025 · Cloud Native

Can You Run Windows Inside Docker? A Practical Guide to Windows Containers

This article explains why and how to run Windows environments in Docker containers, compares the two container modes, lists supported Windows images, provides a quick Hello World example, and highlights the main limitations you should consider before adopting Windows containers.

ContainerizationDevOpsDocker

0 likes · 5 min read

Can You Run Windows Inside Docker? A Practical Guide to Windows Containers

DevOps Coach

Sep 16, 2025 · Operations

How to Ace DevOps Interviews: Real Skills Over Certifications

The article examines the current chaos in DevOps hiring, exposing how certifications often mask a lack of practical ability, and offers concrete, experience‑based strategies—such as mastering fundamentals, troubleshooting, log analysis, honest self‑assessment, and building a solid portfolio—to succeed in DevOps interviews and improve hiring processes.

DevOpsInterviewOperations

0 likes · 10 min read

How to Ace DevOps Interviews: Real Skills Over Certifications

Instant Consumer Technology Team

Sep 16, 2025 · Artificial Intelligence

Transform Your Development with AceFlow MCP: AI‑Powered Project Management in 8 Simple Steps

AceFlow MCP turns complex software development into an AI‑driven, eight‑stage conversational workflow, offering beginners, AI coding enthusiasts, and enterprise teams a unified, secure, and automated project‑management solution with built‑in quality assurance and deployment tools.

AIDevOpsProject Management

0 likes · 11 min read

Transform Your Development with AceFlow MCP: AI‑Powered Project Management in 8 Simple Steps