This article presents a detailed multi‑phase Linux learning curriculum, covering environment setup, basic and advanced command usage, system services, security, monitoring, high‑availability clustering, virtualization, containerization, cloud platforms, and provides extensive recommended reading links for further study.
This article explains Docker repositories and images, compares Docker Hub with private registries, shows how to configure regional accelerators, and demonstrates basic commands for searching and pulling images, providing a practical overview for cloud‑native developers.
This article introduces Nightingale monitoring's final v7.7 release, outlines its new features and major v7 changes, provides step‑by‑step upgrade instructions, and walks through a Docker‑based installation, data‑source integration, dashboard import, and alert‑rule configuration with DingTalk notifications.
Learn how to use the lightweight Jpom automation tool to set up Docker‑based CI/CD pipelines, configure repositories, build and package a Spring Boot 3 + Vue e‑commerce project, and deploy both backend and frontend services seamlessly on a Kubernetes‑ready environment.
Discover the 11 most popular open‑source projects that freelance developers rely on—from fast front‑end build tools like Vite and Tailwind CSS to back‑end frameworks such as Express, ORM Sequelize, real‑time Socket.IO, testing with Jest, code quality with ESLint and Prettier, and containerization with Docker—each with concise usage examples.
This tutorial walks through installing the open‑source Nginx Proxy Manager using Docker‑Compose, accessing its web UI, logging in with default credentials, and configuring a reverse‑proxy entry that maps a custom domain to the admin interface with automatic Let’s Encrypt HTTPS.
This guide walks you through setting up a private MinIO object storage server using Docker, explains core concepts like buckets and access keys, and demonstrates how to configure the Webman PHP framework with the MinIO plugin to upload, manage, and preview files via the MinIO console.
The article examines why deploying MySQL in Docker containers can be problematic, highlighting data‑security risks, performance bottlenecks, state‑management challenges, and limited resource isolation, while also noting specific scenarios where containerizing MySQL might still be viable.
This guide walks through installing GitLab CE on an M1 MacBook using an ARM Docker image, configuring ports, setting up SSH access, creating a sample project, and registering a GitLab Runner for CI/CD pipelines, all with step‑by‑step commands and code snippets.
This guide introduces StarRocks, a high‑performance MPP database, explains its architecture and typical use cases, walks through a Docker‑based quickstart, shows how to create databases and tables, load NYC crash and weather datasets via Stream Load, and demonstrates analytical SQL queries that reveal traffic‑accident patterns under different weather conditions.
Docker Compose, Docker’s official orchestration tool, lets you define and run multi‑container applications via a simple YAML file, covering its history, installation, service definitions, essential CLI commands, and advanced features like environment variables, scaling, and network configuration to streamline development, testing, and production workflows.
This article explains why using Docker to host MySQL is generally discouraged, highlighting challenges in database scaling due to container‑exclusive storage, difficulties sharing data files, and memory contention among containers, while also outlining possible synchronization solutions and scenarios where containerized MySQL may still be viable.
This guide presents ten powerful Docker CLI commands—from extracting container details with docker inspect to cleaning unused resources, limiting resource usage, viewing logs, exporting images, monitoring stats, dynamic port binding, and using docker‑compose—each accompanied by practical tips that streamline container management and improve developer efficiency.
An unexpected RocketMQ alert revealed over 300 million queued messages, traced to identical clientIds generated by Docker host‑network containers; the article explains the root cause, examines clientId generation, load‑balancing logic, and provides a fix by customizing the clientId to prevent message backlog.
This article details how to build a comprehensive DevSecOps CI/CD pipeline using Jenkins that integrates source control, SonarCloud, Snyk, Docker, Trivy, Kubernetes, and ZAP to automate building, testing, scanning, and deploying multi‑language applications securely and efficiently.
This article benchmarks several popular JDK distributions on Kubernetes using a Spring Boot 3 application, measuring image size, startup time, memory consumption, and throughput with k6, and concludes that performance differences are minimal after repeated testing.
This guide explains Dockerfile fundamentals, key instructions, and best‑practice techniques—such as using minimal base images, reducing layers, leveraging multi‑stage builds, and securing secrets—to help you create smaller, faster, and more secure container images.
This guide introduces the Mazer admin dashboard template built with Bootstrap 5, explains how to install it via direct download or repository cloning, shows dependency installation and local development commands, demonstrates Docker image building, and provides an overview of its UI components with screenshots.
This guide walks through building and running the kkfileviewer Docker container, then shows how to add MinIO to a Spring Boot application with configuration, a client bean, utility methods, and REST endpoints for uploading files and retrieving presigned preview URLs to display in the kkfileviewer UI.
This guide explains how to integrate Alibaba Cloud's Python probe into a Kubernetes (ACK) environment to monitor large language model (LLM) applications, covering prerequisites, installation steps, Dockerfile modifications, resource permissions, and sample Python code for both server and client components.
This guide walks developers through rapidly onboarding a SpringBoot 3 and Vue‑based e‑commerce system, covering project overview, setup, core features, technology stack, business logic, deployment, and extending the code for new requirements.
This article introduces Jianmu, a lightweight open‑source no‑code/low‑code CI/CD platform for DevOps, explains how to try it online, details Docker‑Compose and Kubernetes deployment methods with required system specifications, and walks through creating and executing the first hello‑world project.
This guide introduces Docker fundamentals, explains how containers differ from virtual machines, walks through installing Docker on Linux, and demonstrates practical steps to pull and run a MySQL container, while also providing a handy reference of common Docker commands for managing containers and images.
This comprehensive tutorial walks you through planning, preparing hardware, choosing deployment methods, and step‑by‑step installation of a highly available Kubernetes cluster using kubeadm and manual binary packages, covering system initialization, certificate generation, component configuration, CNI networking, and cluster verification.
This guide walks through installing the kkfileviewer container using Docker, building and running its image, then shows how to add MinIO support to a Spring Boot project by configuring dependencies, creating configuration and utility classes, and exposing upload and preview endpoints.
This guide walks you through setting up an ELK stack to collect, centralize, and visualize logs from Dockerized applications, covering rsyslog configuration, container deployment for Elasticsearch, Logstash, Kibana, and Nginx, and demonstrates verification via Kibana queries.
This article explains how to use Filebeat as a lightweight log shipper together with Graylog for centralized log aggregation, storage, and analysis, covering installation, configuration files, Docker deployment, Spring Boot integration, and query techniques for efficient operations monitoring.
This article explains Docker images as lightweight, immutable templates, details their layered architecture, shows how to build them with Dockerfiles, demonstrates pulling and running images from Docker Hub, and covers essential commands for managing and cleaning up images.
Learn how to replace manual jar uploads and java -jar commands by configuring IntelliJ IDEA and Docker for one‑click remote deployment of Spring Boot applications, covering prerequisite setup, Docker daemon basics, Dockerfile creation, and step‑by‑step configuration to streamline and automate the deployment process.
This guide introduces Docker’s architecture, advantages over virtual machines, key components such as Daemon, Images, Containers, CLI, Dockerfile, Compose and Swarm, then explains Kubernetes fundamentals, its architecture, core objects like Pods, Volumes, Deployments, Services, Namespaces, and how they interact through the API.
This guide shows how to deploy the open‑source Tabby AI coding assistant with the Qwen2.5‑Coder‑1.5B‑Instruct model using Docker, register an admin account, configure the Tabby VS Code extension, and verify real‑time multi‑line code completion, all in a few minutes.
This guide explains Docker networking fundamentals, compares bridge, host, none, and overlay networks, shows how to create and manage custom networks, connect containers, expose services, and troubleshoot common issues, providing practical commands and optimization tips for reliable container communication.
r-nacos, a lightweight Rust‑based implementation of Nacos, offers identical registration and configuration features with dramatically lower memory usage, and this guide shows how to install it via Docker, integrate it into the mall‑swarm microservice e‑commerce project, and leverage its admin, data migration, and monitoring tools.
This guide explains how to use an idle Alibaba Cloud server, install Docker, deploy the NPS reverse‑proxy container, configure security groups and client settings, and finally enable remote access to a local development service through an internet‑exposed tunnel.
A deep dive into a massive RocketMQ message backlog reveals that identical clientIds generated in Docker host‑mode cause load‑balancing errors, and the article explains the root cause, code analysis, and a practical fix by customizing the clientId.
This guide shows how to configure Docker registry mirrors for faster image pulls, pull and run an Nginx container, and use essential Docker commands for inspecting, managing, and networking containers, complete with practical examples and code snippets.
This article compares UUID v4 and UUID v7 as clustered index keys, explains their structures, lists pros and cons, describes a Docker‑based MySQL experiment using Node.js and Go, presents single‑ and multi‑thread insertion timings, and analyses why the time‑ordered UUID v7 (and serial IDs) outperform random UUID v4.
Learn how to schedule automated MySQL backups for a Docker container using Linux crontab, create optimized backup scripts, compress and retain backups, and recover lost data with binlog files, including detailed command examples and best practices for reliable database maintenance.
This article explains how to use Filebeat as a lightweight log shipper together with Graylog, Elasticsearch, and MongoDB to collect, process, and visualize logs from multiple environments, including detailed configuration examples, deployment scripts, and integration with Docker and Spring Boot.
This article describes the motivation, process, and best‑practice improvements made while upgrading Jenkins from version 2.346.3 to a secure release, including infrastructure‑as‑code, Docker Cloud, shared library refactoring, and GitOps‑style management of CI/CD pipelines.
This guide explains how to quickly retrieve the IP address of a running Docker container using simple commands such as `docker ps`, `docker inspect`, and a formatted inspect query, with step‑by‑step instructions and example output for easy debugging and network configuration.
Learn how to install and use the open‑source DrawDB database design tool with Docker, explore its visual modeling features, SQL import/export capabilities, theme and template options, and see a real‑world example designing the permission module of a SpringBoot3‑Vue e‑commerce project.
This article details the end‑to‑end architecture of a high‑traffic business middle platform, covering business and technical design, Kong API Gateway, SpringBoot microservices, Dockerfile creation, MyCat‑MySQL sharding, cold/hot data strategies, DevOps pipelines, Kubernetes deployment, and operational monitoring.
This article provides concise answers to common DevOps interview questions, covering Linux boot processes, Kubernetes container execution, Git operations, Jenkins pipelines, DNS, networking, monitoring with Prometheus and Grafana, databases, SQL indexing, and collaboration and leadership scenarios.
This guide walks through deploying a PostgreSQL instance with the PostGIS extension on a CentOS server using Docker Compose, covering image retrieval, docker‑compose configuration, environment variables, logging settings, container startup, and verification of PostGIS integration.
The author chronicles the challenges and solutions of running large language models locally using Ollama, experimenting with cloud GPUs on Google Colab, managing Python dependencies through Docker, and ultimately fine‑tuning a small Qwen model, providing a practical guide for AI enthusiasts.
This article walks through Docker's default docker0 bridge, explains how containers obtain IP addresses via veth‑pair interfaces, demonstrates inspecting container IPs, and shows how to create and use custom bridge networks so containers can communicate by name or IP, including adding existing containers to the new network.
This guide explains the challenges of multiple logins in enterprises, introduces Single Sign‑On concepts and protocols, and provides a step‑by‑step deployment of an open‑source Go‑Vue SSO solution, covering authentication methods, supported protocols, security features, and Docker‑based installation.
This article explains why Docker is useful and provides a step‑by‑step tutorial for installing Docker, creating a PHP Dockerfile, configuring Docker Compose with PHP and MySQL services, and launching the environment, enabling portable, isolated development and easy deployment.
This guide explains what the check-docker-connection tool does, its required environment, command‑line options, how to run it inside a Docker container, and provides step‑by‑step examples for monitoring single or multiple containers and displaying the top N containers by connection count.
This guide walks through installing kkfileviewer in a Docker container, building and running the image, then shows how to add MinIO support to a Spring Boot project with Maven dependencies, configuration classes, utility methods, and REST endpoints for file upload and preview.
This guide explains how to run Docker containers, keep them alive, enter them, manage their lifecycle, apply best practices, set resource limits for memory, CPU, and I/O, and understand the underlying cgroup and namespace technologies that isolate and control container behavior.
This article explains Docker's two data storage mechanisms—storage drivers and data volumes—detailing their architectures, use‑cases, commands, and lifecycle management so you can choose the right approach for stateless or stateful container applications.
This guide compiles over 20 high‑frequency technical interview questions covering Docker, Nginx, Shell scripting, and Jenkins, providing job seekers with a comprehensive resource to prepare for competitive recruitment seasons.
This article explains how Docker's new CLI tool docker init can automatically generate Dockerfiles, docker‑compose files, and .dockerignore for various languages, saving time, reducing errors, and enforcing security and performance best practices for containerizing applications.
This step‑by‑step tutorial shows how to create a low‑latency Rust and Actix‑Web media server, configure Docker, stream MP4 videos, and build a simple front‑end, enabling full control over media hosting and easy extensions such as authentication, database integration, transcoding, and CDN acceleration.
This guide explains how to adjust the clock inside a Docker container using libfaketime, avoiding host time changes, by leveraging privileged mode, capabilities, and environment variables, with step‑by‑step Dockerfile examples and log verification.
This guide explains what a Dockerfile is, details each instruction such as FROM, LABEL, COPY, RUN, CMD, and provides best‑practice tips like using .dockerignore, multi‑stage builds, minimizing layers, and optimizing cache to create lean, maintainable container images.
Slim (DockerSlim) is an open‑source tool that automatically shrinks Docker images by statically analyzing the image, dynamically probing runtime file and network usage, and rebuilding a minimal image containing only required dependencies, thereby reducing size up to 30×, speeding deployments, lowering attack surface, and supporting CI/CD integration across many languages.
After a nationwide outage of Docker image registries since June 6, recent ping tests show that get.docker.com and download.docker.com are now reachable in China, offering developers restored access without VPNs, though the article also includes a promotional Python course invitation.
This article explains Docker's OverlayFS/Overlay2 storage driver, detailing its layered image architecture, union‑mount mechanics, read/write behavior, metadata organization, and the roles of image, layer, and init layers within the container filesystem.
This guide introduces LangGraph Studio, a visual IDE for creating, testing, and debugging multi‑step AI agents built with LangGraph, walks through building a simple agent, explains required Docker setup, project configuration files, and demonstrates how to load, run, and troubleshoot agents using the studio’s interactive features.
Debugging Kubernetes components is challenging due to version mismatches, service dependencies, and IDE limitations; this guide outlines two practical methods—log‑based analysis with redeployed services and direct IDE debugging—while detailing environment setup, local and remote development workflows, and testing procedures.
This article explains the fundamental principles of Docker containerization and Kubernetes orchestration, covering containerization, image layering, core components, declarative APIs, Pods, Services, Namespaces, ConfigMaps, Secrets, Volumes, and their combined advantages and challenges for enterprise‑level system design.
This guide provides a step‑by‑step tutorial for installing MiniKube on RHEL 8, covering system updates, required dependencies, Docker and kubectl installation, MiniKube binary setup, cluster startup, verification, and optional add‑ons, ensuring a functional local Kubernetes environment.
This article compiles more than 20 high‑frequency technical interview questions covering Docker, Nginx, Shell scripting, and Jenkins, providing job seekers with a concise, one‑stop resource to prepare for the competitive hiring season.
This article explains why a plain Dockerfile for a Spring Boot fat JAR is inefficient, introduces Spring Boot's layered JAR format, and provides a multi‑stage Dockerfile that leverages layer caching to speed up builds and reduce runtime overhead.
This guide walks through Docker image fundamentals, covering how to search official repositories, pull and list images, import/export, delete, inspect details, tag, save and load images, build custom images with Dockerfiles, and publish them to public, private, or Harbor registries.
This tutorial walks you through preparing two Ubuntu servers, configuring Docker, installing Rancher 2.6.9, deploying a Kubernetes master and worker nodes via Rancher’s UI, and validating the cluster with an Nginx workload, all with detailed commands and screenshots.
This step‑by‑step tutorial shows how to install Percona XtraBackup 2.4, create full, incremental and compressed backups of MySQL 5.1‑5.7, prepare the backups, and restore data using Docker or native Linux packages.
This article explains how to set up FastGPT, a Retrieval‑Augmented Generation (RAG) knowledge‑base system powered by large language models, covering both Docker‑compose image deployment and source‑code installation, including environment configuration, database setup, and API usage examples.
This article explains why centralized log collection is essential for multi‑environment services, introduces Graylog as a lightweight alternative to ELK, details Filebeat's role and workflow, provides configuration examples, shows how to deploy both Filebeat and Graylog via Docker or packages, and demonstrates integration with Spring Boot and log search techniques.
By integrating PAI‑Designer with PyODPS, users can build visual offline workflows that overcome ODPS’s lack of network access, dynamic configuration, and image‑processing limits, using reusable Python components, OSS role‑ARNs, remote configuration fetching, and custom Docker images to read/write MaxCompute and OSS data.
This guide walks you through setting up a full Prometheus monitoring solution with Exporters, Alertmanager, and Grafana using Docker containers, covering component roles, configuration files, and visualizing host and container metrics on two sample hosts.
The article outlines a comprehensive, bottom‑up learning path for containers, covering Linux container fundamentals, images, runtimes, managers, orchestrators, and non‑Linux implementations, while clarifying common misconceptions, explaining how runtimes like runc work, and comparing Docker, containerd, and Kubernetes.
Learn the differences between physical servers, VPS, Elastic Compute Service (ECS), and Docker containers, how they’re built, their use cases, and practical tips for choosing the right server solution—whether you’re a solo developer, a small business, or just curious about cloud infrastructure.
This guide explains Docker's three default networks, the four container network modes (bridge, container, host, none), how Linux bridges and veth pairs work, commands for network namespaces, port mapping, custom bridge creation, and practical examples for configuring Docker networking.
This guide explains how Docker images are built from base images, how Docker Hub stores and distributes them, and provides step‑by‑step commands for pulling, committing, tagging, pushing, and importing/exporting images across hosts.
Dokku is an open‑source Platform‑as‑a‑Service built on Docker that uses Dockerfiles or Buildpacks to auto‑detect languages, runs apps in isolated containers, extends functionality via plugins, and has grown to over 28 000 GitHub stars since its 2013 launch.
Learn how to accelerate Docker image pulls by configuring registry mirrors, then follow step‑by‑step instructions to pull, run, inspect, and manage Nginx containers, including commands for starting, stopping, logging, networking, and modifying container files, ensuring efficient container operations.
This comprehensive guide walks IT and DevOps professionals through understanding ARM and x86 architectures, setting up the build environment, creating and customizing base images, optimizing size and performance, and packaging for distribution, with practical commands and best‑practice recommendations.
This tutorial walks you through the fundamentals of Apache Iceberg, its architecture and key features, explains why it’s advantageous for lakehouse workloads, and provides a step‑by‑step Docker‑Compose setup to integrate Iceberg with StarRocks for fast, ACID‑compliant analytics on real‑world taxi data.
This article walks through upgrading the Mall‑Swarm microservice e‑commerce project to Spring Boot 3, Spring Cloud 2023, JDK 17, and related dependencies, covering architecture, version changes, permission solution migration, documentation updates, Elasticsearch usage, and deployment on Windows and Linux.
This guide introduces Jenkins as an open-source CI tool, explains continuous integration and delivery concepts, walks through Docker-based installation, and provides detailed examples of both scripted and declarative pipelines, including common directives, parameters, triggers, and best practices for effective DevOps automation.
This guide explains how to use GitHub Actions to automatically mirror Docker images from public registries to an Alibaba Cloud private registry, providing step‑by‑step configuration of the cloud namespace, GitHub secrets, and the action workflow to keep images accessible within China.
This article builds a simple Spring Boot Greetings API, configures Maven profiles for Tomcat, Jetty, and Undertow, creates Docker images for each, runs load‑testing benchmarks across multiple concurrency levels, and analyzes startup time, CPU, memory, and response performance to determine the optimal embedded server.
This article provides a step‑by‑step tutorial on what Grafana is, its common monitoring scenarios, how to install it on Linux, Windows, macOS or via Docker, configure data sources such as Prometheus, and create or import dashboards for system and business metric visualization.
This article explains why front‑end developers should master Nginx, covering login and interview scenarios, step‑by‑step containerized deployment with Docker, custom error pages, DNS caching issues, and practical tips to improve both production reliability and interview answers.
This article explains the history and evolution of Docker and Containerd, compares their architectures and functions, and discusses how Containerd operates independently within cloud‑native environments such as Kubernetes.
This article introduces ReadySet, an open‑source SQL caching layer for MySQL and PostgreSQL, explains its architecture and advantages, and provides step‑by‑step instructions for installing the Docker image, configuring connections, creating caches, and testing query performance to achieve millisecond‑level response times.
This tutorial explains how to set up IntelliJ IDEA and Docker for one‑click remote deployment of a SpringBoot application, comparing traditional jar deployment with the Docker‑based workflow, and walks through SSH configuration, Docker daemon basics, Dockerfile creation, and IDE deployment settings.
This article compiles the latest 2024 IT operations interview collection, offering over 400 questions—including 108 shell script, 128 Kubernetes, 51 Docker, and 88 Jenkins queries—to help professionals bridge knowledge gaps and ace promotions, job changes, and technical interviews.
To prevent service disruption caused by overly aggressive or sluggish Kubernetes liveness and readiness probes, this guide shows how to implement a custom health‑check script that periodically tests a service endpoint, exits the container on failure, and lets Kubernetes automatically restart the pod.
This guide presents ten essential Docker best practices—from choosing official images and minimizing layers to leveraging multi‑stage builds, .dockerignore, Compose, volumes, resource constraints, security, monitoring, and CI/CD automation—helping developers create efficient, secure, and maintainable containerized applications.
This guide introduces Docker’s fundamental concepts, explains its advantages and architecture, walks through installation steps, and provides a comprehensive list of common Docker commands for managing images and containers, including practical examples such as setting up SSH access within a container.
This tutorial explains how to install Docker Buildx, create and manage builders, and use QEMU emulation or Go cross‑compilation to produce multi‑platform Docker images, covering command syntax, driver options, global BuildKit variables, and how to push or load the resulting images.
This article provides an in‑depth tutorial on Apollo, Ctrip's open‑source distributed configuration center, covering its core concepts, architecture, four‑dimensional configuration model, client design, deployment, and step‑by‑step instructions for creating projects, adding configurations, testing dynamic updates, and running the service in Kubernetes with Docker.
This guide walks you through constructing a complete GitOps‑based CI/CD pipeline using GitLab, GitLab Runner on Kubernetes, Maven, SonarQube, Harbor, Argo CD, and Kustomize, covering code commit, build, test, image publishing, automated deployments, and advanced rollout strategies such as blue‑green and canary releases.
This step‑by‑step tutorial explains how to configure version control, provision an AWS EC2 instance, install Java and Jenkins, set up Docker and SonarQube, write a Jenkinsfile, and deploy the application automatically with ArgoCD on a Kubernetes cluster.
This guide walks you through planning, configuring, and deploying a production‑grade Kubernetes cluster with high performance and availability, covering host planning, HA load balancing with keepalived and HAProxy, Harbor setup, node initialization, and essential system tweaks, all illustrated with ready‑to‑run code snippets.
