DevOps combines development and operations practices, requiring knowledge of software development concepts, Linux, networking, containerization, CI/CD pipelines, cloud platforms, orchestration, monitoring, infrastructure as code, scripting, and version control, with tools such as Jenkins, Docker, Kubernetes, Terraform, Prometheus, and Git.
This article provides a detailed overview of Docker, covering its origins, core components such as images, containers, and repositories, the differences between VMs and containers, integration with DevOps and Kubernetes, networking modes, storage layers, and visual management tools, all illustrated with examples and code snippets.
The article uses an aquarium metaphor to explain Kubernetes fundamentals—including Pods, Nodes, Scheduler, ReplicaSets, Services, Network Policies, and ConfigMaps—by comparing applications to fish, tanks to Pods, rooms to Nodes, and the control plane to the aquarium manager, making complex concepts easier to visualize.
This article provides a detailed tutorial on Docker fundamentals, covering container concepts, image creation with Dockerfiles, container lifecycle commands, networking modes, Docker Compose orchestration, private registry setup, and advanced topics such as volume management and load balancing with HAProxy.
The author reflects on returning to Java after three years, arguing that despite the rise of containers and micro‑services, Java’s performance, threading model, and mature ecosystem keep it relevant, while criticizing Spring’s complexity and advocating a simple, KISS‑driven approach.
Docker emerged to address the challenges of disparate development, testing, and production environments by leveraging Linux kernel features like namespaces and cgroups, offering lightweight, fast-starting containers that isolate applications without the overhead of traditional virtual machines, and providing versatile use cases from cloud hosting to CI/CD pipelines.
This article provides a concise reference of essential Docker command‑line operations, including searching, pulling, listing, running, inspecting, managing containers and images, and additional utilities, helping developers, testers, and operations engineers efficiently work with Docker without a graphical interface.
This article explains how Docker containers, built on Linux kernel virtualization, provide lightweight isolation, higher resource efficiency, rapid startup, consistent environments, easy migration, and simplified maintenance, and walks through installation, image creation, registry usage, and deployment on Huawei Cloud SWR.
This article provides a concise reference of frequently used Kubernetes (kubectl) and Docker command‑line instructions, covering cluster inspection, pod and service queries, resource creation, deletion, as well as container inspection, logging, and interactive shell access.
This guide walks through the inner workings of Zabbix Agent2’s Docker monitoring plugin, detailing how it communicates via the Docker API, the key configuration files, the query mechanism, and how to apply the provided templates to automatically discover and display container and image metrics.
COSCon'20 presents a rich lineup of talks covering AI microservices with Rust and WebAssembly, scalable cloud‑native application management, serverless rendering, HTTP/3 for IoT, cloud‑native trends, RocketMQ, CloudBase Framework, event mesh, Podman, Quarkus, Go microservices, Pulsar, Kubernetes stateful services, dubbogo, ElasticJob, Seata, SkyWalking on Kubernetes, and Spring on Azure, inviting developers to deepen their expertise in modern cloud‑native technologies.
This comprehensive guide explains Docker image fundamentals, the UnionFS layering model, image creation with Dockerfile, committing containers, using volumes (including MySQL and permission flags), building custom CentOS and Tomcat images, uploading to Alibaba Cloud Registry, and deploying SpringBoot applications, all with concrete commands and examples.
This article analyzes how traditional CDN infrastructure can be transformed into a comprehensive edge computing platform, covering CDN fundamentals, edge computing layers, IaaS/PaaS/SaaS models, container and Kubernetes deployment, future trends, and practical Q&A insights.
This article explores how traditional CDN infrastructure can be transformed into a large‑scale edge computing platform, covering architectural layers, cloud‑edge collaboration, container‑based deployment with Kubernetes, emerging technologies such as programmable CDN, secure containers, and practical Q&A from real‑world implementations.
The article explains what cloud‑native applications are, contrasts them with traditional software, outlines four core cloud‑native development principles, and details a six‑step process—including DevOps culture, lightweight servers, PaaS, framework selection, automation, and modular architecture—to accelerate building and deploying cloud‑native solutions.
This article explains the advantages of upgrading to Java 11—including container support, a smaller runtime, long‑term support, new language features like var, enhanced APIs such as the HTTP client, and detailed solutions for migration problems such as missing JAXB dependencies and compilation errors.
This article explains three ways to run Docker inside a Docker container—mounting the host Docker socket, using the Docker‑in‑Docker (dind) image, and employing the Sysbox runtime—along with step‑by‑step commands, security considerations, and common FAQs for CI/CD pipelines.
The article details the background, user pain points, and technical design of UCloud’s Cube serverless container product, explaining its firecracker‑based runtime, cri‑o integration, Kubernetes scheduling, storage and network solutions, and future optimization plans.
This article explains what technical debt is, why it accumulates in both development and operations, and outlines four DevOps‑driven strategies—including building cross‑functional teams, automation, containerization, and API‑centric design—to identify, track, and repay technical debt while improving cloud migration outcomes.
This comprehensive guide explains Docker images, their UnionFS layering, bootfs and rootfs structures, image characteristics, how to commit images, use data volumes, build custom images with Dockerfiles, create Tomcat and SpringBoot containers, and push images to Alibaba Cloud, providing practical commands and examples throughout.
This article outlines the five key practices—adopting a developer mindset, mastering system engineering, gaining cloud experience, learning containers, and developing soft skills—required to become an effective DevOps engineer in today’s rapidly evolving tech landscape.
This article explains how virtualization technology—ranging from early hypervisors and Popek‑Goldberg requirements to hardware‑assisted extensions, KVM‑QEMU, and lightweight container solutions like Docker and Firecracker—forms the foundation of modern cloud computing, detailing its evolution, mechanisms, and trade‑offs.
This article explores the evolution of virtualization technology—from its theoretical foundations and early hypervisor designs to full and para-virtualization, hardware-assisted extensions, and lightweight solutions like containers and microVMs—explaining key concepts, architectures, and their roles in modern cloud computing.
This article reviews the evolution of data‑center infrastructure through three historic waves, introduces the fourth wave of application‑defined infrastructure (ADI), and examines how container technologies, hypervisor‑based virtualization, hyper‑converged infrastructure, and Robin Systems’ ADI reshape cloud computing and large‑scale IT operations.
This extensive tutorial explains Linux containers and Docker fundamentals, compares containers with virtualization, outlines Docker's history, demonstrates installation steps, covers essential Docker commands, image lifecycle management, Dockerfile creation, container networking options, Docker Compose orchestration, private registry setup, Harbor deployment, and best practices for production use.
This article explores the evolving concept of cloud native, comparing definitions from Pivotal and CNCF, detailing essential technologies such as containers, Kubernetes, Service Mesh, and IaC, and offers practical guidance on building, delivering, and adopting cloud‑native applications.
This comprehensive guide explains Linux containers, their differences from traditional virtualization, the evolution of Docker, core Docker commands, Dockerfile creation, image layering, private registries, docker‑compose orchestration, network modes, HAProxy load balancing, and best practices for secure and efficient container deployment.
This comprehensive guide walks you through Linux containers, Docker fundamentals, installation, command‑line usage, image lifecycle, Dockerfile creation, registry setup (including authentication), Docker Compose orchestration, networking options, restart policies, Harbor deployment, best practices, and monitoring techniques.
This article explains how container technology, inspired by shipping containers, transforms software delivery with modular, lightweight virtualization, and how Alibaba Cloud’s container services—ACK, ASK, ACR, and ASM—provide agile, elastic, portable, and secure cloud‑native solutions for hybrid and multi‑cloud environments.
The article describes Autohome's third‑generation cloud‑native monitoring platform, detailing its background, strategic goals for R&D efficiency, mobile‑first design, Prometheus‑based architecture with multi‑replica storage and InfluxDB remote storage, its operational impact, and future directions such as AI‑driven noise reduction.
This article offers a pictorial introduction to Kubernetes, explaining what containers are, when to use orchestration, why Kubernetes stands out, and detailing its core architecture—including master components, pods, controllers, services, and ingress—providing a clear, beginner-friendly overview of container orchestration in cloud-native environments.
This article explains how MySQL 8.0 Resource Groups enable fine‑grained CPU binding and thread‑priority control, provides sample SQL procedures and commands, details Linux environment setup, discusses implementation internals, outlines known limitations especially in containerized environments, and suggests practical usage scenarios.
This article explains how cloud computing, big data, and artificial intelligence are tightly linked, tracing the evolution from physical servers to virtualization, describing the flexibility of IaaS, the automation of PaaS, the services of SaaS, and showing how containers and big‑data pipelines enable modern AI workloads.
This tutorial explains how to download the MySQL Docker image, create and run a MySQL container with volume mappings and environment variables, verify the container, connect to the database via Workbench, and access the container’s shell and host files.
This article compares Serverless and container-based microservices, covering definitions, cost and maintenance benefits, use cases, limitations, and when to choose each approach or a hybrid model for modern cloud applications.
This tutorial explains Docker's data management techniques, covering the concepts and hands‑on steps for using volumes and bind mounts, how to back up logs and MongoDB data, and how to restore them, providing a complete guide for reliable container data handling.
The article describes how Guangda Bank leveraged a cloud‑native container PaaS (CPAAS) platform to accelerate its fintech transformation, improve development efficiency, reduce costs, and support a wide range of digital banking services such as mobile banking, blockchain, and wealth management.
This article provides a comprehensive explanation of Docker’s architecture, detailing the differences between images and containers, the role of the union file system, and how various Docker commands such as create, start, run, ps, and build operate on these layers.
This guide explains Linux container isolation, compares virtualization with containers, introduces cgroups and namespaces, and provides step‑by‑step commands for installing LXC, creating, configuring, and starting containers, including password reset procedures.
The 2019 cloud‑native survey of over 400 enterprises across finance, energy, manufacturing and automotive sectors showed that 70.7% planned container, DevOps and micro‑service initiatives, 70% saw modest IT budget growth, and 11.4% had piloted benchmark cloud‑native practices, prompting a 2020 follow‑up study to assess current adoption and challenges.
This article provides a comprehensive, step‑by‑step explanation of Docker’s architecture—including the differences between images, containers, and running containers—while detailing the underlying union file system and illustrating each Docker command with clear examples and diagrams.
This article explains the fundamentals of Linux Containers (LXC), their relationship to Docker, Docker's core concepts, architecture components, and practical commands for installation, image management, container lifecycle, and troubleshooting, providing a comprehensive guide for developers and operations engineers.
This article offers a concise overview of Kubernetes, detailing its core hardware components like Nodes, Clusters, and Persistent Volumes, as well as software elements such as Containers, Pods, Deployments, and Ingress, helping readers grasp how these pieces interact to manage cloud-native applications.
This article provides a clear, visual guide to Kubernetes fundamentals, covering its six-layer abstraction, the roles of Deployments, ReplicaSets, Pods, Nodes, and Docker containers, followed by an overview of seven key API objects that drive container orchestration.
This article explains Docker’s core concepts—including its client‑server architecture, communication via Unix sockets, main components, image creation with Dockerfile, and multi‑container orchestration using docker‑compose—providing a concise yet comprehensive introduction for newcomers to container technology.
This article explains what containers are, how they achieve isolation, when Kubernetes becomes necessary, and walks through the core components and controllers of a Kubernetes cluster, using clear diagrams to illustrate each concept.
The interview with Alibaba Cloud’s container platform lead explores the evolution of container and cloud‑native technologies, security and hybrid‑cloud demands, open‑source contributions, and future AI‑container convergence that drove massive Double‑11 traffic and industry innovation.
This article explains how to quickly set up MySQL (as well as MariaDB and Percona) inside Docker containers, covering official images, running the latest version, connecting to the server, managing container lifecycle, passing server options, and handling multiple or specific MySQL versions.
Docker’s enterprise services were sold to Mirantis while Docker Desktop stays with Docker, highlighting how open‑source container platforms are reshaped by cloud‑native competition, licensing changes, and the challenges of sustaining open‑source business models.
The article details how Ctrip engineers diagnosed sporadic Redis timeouts in containerized deployments, traced the problem to kernel scheduling delays caused by an APIC‑ID bug that inflated the possible‑CPU count, and resolved it by applying a kernel patch, offering verification steps for affected systems.
This comprehensive guide introduces Docker, explains its core concepts such as images, containers, and registries, walks through installation on various platforms, demonstrates essential commands, shows how to build, run, and manage containers and images, and covers advanced topics like exporting, importing, and using web UI tools.
The article traces the origins and rapid growth of serverless computing—from its early concept by Iron.io’s Ken to mainstream adoption through AWS Lambda, Alibaba Cloud Function Compute, and other FaaS platforms—explaining its architecture, benefits such as low cost, automatic scaling, green computing, and future trends like serverless containers and fine‑grained resources.
This article explains the cloud‑native concept, traces its evolution from early container experiments at Google through Docker and Kubernetes to the rapid growth of CNCF, and outlines the key technologies, immutable‑infrastructure theory, and why 2019 marked a pivotal year for cloud‑native adoption.
Through a charming story of a curious daughter and her father's illustrated guide, the article introduces Kubernetes concepts such as pods, replication controllers, services, volumes, and namespaces, using the adventures of a PHP app named Phippy to make complex container orchestration easy to understand.
This article provides a comprehensive overview of Docker, covering its origins from LXC, the relationship between LXC and Docker, Docker's architecture and components, key container technologies such as namespaces and cgroups, and step‑by‑step instructions for installing, managing images, running containers, and inspecting logs.
This comprehensive guide explains Docker's origins, core concepts, advantages, installation steps, essential commands, container lifecycle management, image customization with Dockerfile, and publishing to both Docker Hub and private registries, providing practical examples and code snippets for hands‑on learning.
The story follows a tiny PHP application named Phippy, who moves from a lonely shared host into a container, meets the wise Captain Kube, learns about Pods, Replication Controllers, services, volumes, and namespaces, and discovers how Kubernetes orchestrates isolated yet connected workloads, illustrated through a whimsical maritime metaphor.
Through the whimsical story of a lonely PHP app named Phippy, the article introduces core Kubernetes concepts—containers, Pods, Replication Controllers, Services, Volumes, and Namespaces—using vivid metaphors to help readers grasp how container orchestration works in modern cloud-native environments.
This article explains Docker's native networking model based on Linux namespaces and veth pairs, describes the docker0 bridge, container linking, and port exposure, and then reviews six prominent Docker network optimization projects—Libnetwork, Pipework, Socketplane, Weave, Flannel, and Tinc—highlighting their architectures and use cases.
The article reviews the rapid development of cloud‑native technologies in China, explains how the runV project merged into Kata containers, discusses the security advantages of Kata, and shares the founder’s perspective on open‑source entrepreneurship, cloud‑native adoption in finance, and future trends in container ecosystems.
This article introduces Docker as an open‑source container engine, explains its advantages over traditional virtual machines, shows how it powers microservices, and provides step‑by‑step Linux installation, basic commands, and a hello‑world example for newcomers.
This article explains how container technology, including Docker and Kubernetes, empowers modern frontend development by improving build isolation, accelerating testing, enabling rapid rollbacks, and providing stable, scalable deployment pipelines for web, mobile, and mini‑program applications.
Learn how to install Docker Compose, configure its permissions, verify installation, and use it to define services, images, ports, volumes, and environment variables in a docker‑compose.yml file, then manage containers with common commands to deploy and run multi‑container applications efficiently.
This guide walks you through installing Docker on Linux, adding the Docker repository, installing the engine, and mastering the most common Docker commands for managing images and containers, including searching, pulling, running, inspecting, and cleaning up resources.
This guide walks you through Docker fundamentals, its container‑based virtualization, installation on Windows and Ubuntu, architecture components, image concepts, and a hands‑on workflow that covers pulling, running, building, and pushing images, all illustrated with clear examples and diagrams.
This comprehensive guide introduces Docker’s origins, core concepts such as images, containers, and registries, explains installation on major platforms, demonstrates essential commands, shows how to run and manage containers, and walks through creating, tagging, pushing, and importing custom images using Dockerfile.
This article explains the core concepts of container technology—including specifications, runtimes, management tools, image definitions, registries, and container operating systems—while illustrating why containers are advantageous for developers and operations teams in modern software delivery.
This guide explains Docker's built‑in network drivers (bridge, none, host), shows how to inspect the default docker0 bridge, demonstrates creating a user‑defined bridge network, attaching containers with --network, and verifies connectivity with ping and IP inspection commands.
This comprehensive guide explains what Docker is, its key concepts, advantages, installation steps, essential commands, container lifecycle, image customization with Dockerfile, registry usage, and practical examples for building and deploying containerized applications on Linux.
Shane Boulden, a Red Hat DevOps certification expert, outlines the eight most valuable DevOps skills—from mastering Kubernetes and micro‑service scaling to automation, container optimization, multi‑runtime interaction, identity management, OS expertise, and effective learning strategies—providing a practical roadmap for 2019 and beyond.
This guide walks readers through Docker fundamentals, covering both operations and development perspectives, including installing Docker, managing images and containers, executing commands, connecting to running containers, building images from Dockerfiles, and deploying simple web applications on Linux and Windows environments.
This comprehensive guide introduces Docker’s origins, core concepts such as images, containers, and registries, walks through installation, daemon configuration, essential commands, building and managing images, running containers interactively or in background, and explains import/export, tagging, and repository usage, providing practical examples throughout.
This article provides a comprehensive introduction to container technology as a PaaS solution, explaining Docker's core principles, the role of Linux namespaces and cgroups, comparing containers with virtual machines, and discussing both the advantages and limitations of container-based deployments.
This article introduces containers as a PaaS solution, explains Docker's underlying namespace and cgroup mechanisms, compares containers with virtual machines, and outlines their main technologies, advantages, and common pitfalls for developers.
This article explains how container technology, inspired by physical shipping containers, provides lightweight, standardized, and portable application packaging, details the underlying Linux namespace and cgroup mechanisms, compares containers with virtual machines, and introduces major orchestration platforms such as Kubernetes, Mesos, and Swarm along with their key features and challenges.
The article critically examines Docker’s promised benefits—portability, security, and orchestration—highlighting its design shortcomings, hidden complexities, lock‑in risks, and the often‑overlooked alternatives that can deliver the same goals with far less overhead.
The article critically examines Docker’s promised benefits—portability, security, and orchestration—by highlighting design flaws, added complexity, vendor lock‑in, and the often‑overlooked costs of standardizing on containers, while contrasting them with simpler, script‑based deployment approaches.
This article provides a clear, beginner-friendly overview of cloud computing, explaining core terms such as IaaS, PaaS, SaaS, virtualization, hypervisors, OpenStack, containers, Docker, and Kubernetes, and illustrating how these technologies interrelate to form modern cloud infrastructure.
The article explains modern software engineering concepts such as microservices, containers, and serverless architectures, describing how they enable cloud‑native applications to achieve scalability, flexibility, continuous delivery, and reliability while also outlining their challenges and limitations.
This article introduces Docker, explaining its purpose as an open‑source container engine, how it differs from traditional virtual machines, its advantages such as lightweight isolation and portability, its role in microservices, and provides step‑by‑step installation and common command examples for getting started.
The article analyzes how enterprise software development is shifting from traditional virtual machines to container and Kubernetes‑based architectures in 2019, examines major acquisitions such as Dell‑VMware and IBM‑Red Hat, and forecasts the strategic moves of cloud providers and vendors in the evolving multi‑cloud landscape.
This article provides a comprehensive introduction to Docker, explaining container concepts, differences from virtual machines, core components like images and repositories, and detailed step‑by‑step commands for installing Docker, pulling and managing images, creating and running containers, committing changes, pushing to registries, and using Dockerfiles to build custom images for various services.
Since Docker’s 2013 debut and the rise of microservices, many adopt containers without understanding their true advantages; this article explains Docker’s core benefits—lightweight isolation, portability, and efficiency—illustrating why it fits microservice architectures and highlighting common misuse pitfalls.
The article revisits the early days of physical server deployments and virtualization, explains how containers emerged as a lightweight alternative to VMs, discusses their security trade‑offs, and promotes a DevOpsLIVE event on Windows‑Linux containers and Azure Kubernetes.
This article provides a comprehensive overview of cloud computing, tracing its evolution from physical servers through virtualization and IaaS/PaaS models to modern container and cloud‑native architectures, and explains key concepts, major vendors, and the challenges of automation and resource pooling.
The Red Hat Forum 2018 recap explains Red Hat's cloud‑native application development approach, hybrid‑cloud infrastructure strategy, OpenShift platform details, NetApp integration, and a step‑by‑step migration solution, offering practical guidance for enterprises adopting modern cloud technologies.
This article compiles over sixty top open‑source tools spanning version control, build automation, continuous integration, deployment, configuration management, container platforms, monitoring and logging, providing a comprehensive resource for building efficient DevOps pipelines.
This article traces OpenStack’s rise, decline, and recent resurgence, describing how the foundation refocused on core services, launched pilot projects in CI/CD, containers, edge computing, and AI, and positioned the platform as a mature, widely‑adopted private‑cloud solution.
This article explains how Ant Financial addresses the challenges of adopting containers in financial‑grade distributed systems by detailing cloud‑native fundamentals, the CAFE platform’s three‑step solution, custom pod lifecycle, SOFAMesh integration, and hybrid‑cloud capabilities for scalable, resilient operations.
This article introduces Docker, explains its origins, core concepts such as images, containers, and registries, demonstrates installation, common commands, building custom images, managing containers and images, and highlights its advantages in speed, resource efficiency, and portability for modern development workflows.
Embracing containers reveals their immutability, lightweight nature, and rapid startup, but to fully leverage these benefits you must follow ten essential do‑not‑do rules covering data storage, image size, layering, security, and process management for reliable, reproducible deployments.
The article examines Docker’s origins and container technology, contrasts its performance and use cases with OpenStack and KVM, clarifies common misconceptions, and concludes that OpenStack, KVM, and Docker are complementary tools rather than mutually exclusive solutions.
This article provides a comprehensive introduction to Docker, covering its open‑source origins, client‑server architecture, networking and storage solutions, integration with PaaS/IaaS platforms, impact on DevOps practices, and its pivotal role in enabling modern microservice architectures.
This comprehensive Docker guide covers its origins, core concepts such as images, containers, and registries, installation steps, essential commands, building custom images, managing containers, and best practices for deployment, providing hands‑on examples and tips for both beginners and seasoned developers.
This article outlines essential container operation best practices—including native logging, JSON log formatting, sidecar aggregators, stateless and immutable design, avoiding privileged containers, effective monitoring, health checks, non‑root execution, and careful image tagging—to help developers build secure, maintainable, and observable workloads on Kubernetes.
This article explains the fundamental differences between Linux containers and virtual machines, covering resource usage, use‑case scenarios, portability, security considerations, and how to choose the right technology for various application and infrastructure needs.
This guide explains how to manage a Linux desktop by using a single Btrfs partition with subvolumes, label‑based fstab and bootloader configuration, container and VM techniques, and diskless initramfs setups, enabling easy migration, backup, snapshot, and Windows access without reinstalling each system.
This article outlines eleven common Docker anti‑patterns—ranging from storing data inside containers to using the latest tag—and provides practical guidance on building lightweight, secure, and maintainable images for production environments.
This article explains how container technologies like Docker and Amazon ECS enable the transition from monolithic web applications to scalable microservices architectures by improving development agility, resource isolation, and deployment flexibility across cloud environments.
This article explains how the author leverages Docker containers to build a reproducible, low‑overhead development environment, compares traditional script‑based setups, demonstrates an Nginx example with Dockerfile and supporting scripts, introduces the dockerbox utility for easier container interaction, and shows how to configure automatic startup on new machines.
