This article explains the fundamentals of PaaS, its business value, technology choices, and provides a detailed walkthrough of Cloud Foundry’s architecture, components, deployment workflow, buildpacks, and extensibility options such as custom services, monitoring, scaling, and the Diego runtime.
The Ctrip Continuous Delivery Conference held on December 19 showcased industry experts discussing large‑scale deployment, container‑based delivery, mobile automation, and the MCD platform, highlighting practical strategies for high‑availability, rapid release pipelines across web and mobile services.
This article explains the differences between VM and Docker images, outlines Docker's build‑ship‑run workflow, and provides a step‑by‑step tutorial for setting up a secure private Docker Registry server with self‑signed certificates, user authentication, and client configuration.
This guide explains why Docker simplifies data‑science environment setup, walks through installing Docker, pulling ready‑made images, running a container with Jupyter Notebook, managing files, installing additional packages, and cleaning up, providing step‑by‑step commands for Windows, macOS, and Linux users.
This article provides a comprehensive analysis of Docker 1.2's architecture, detailing each module's function, the internal workflow of key commands, and how Docker's design enables lightweight, secure container virtualization for modern cloud‑native applications.
This article explains how Docker commit creates images from container changes, its relationship with docker build, the underlying mechanics of read‑write layers, important build considerations such as resource limits and return codes, and provides clear diagrams to illustrate the process.
This article compiles over 60 of the best open-source DevOps tools—including version-control systems, build automation, CI/CD platforms, container runtimes, configuration-management solutions, monitoring and logging utilities—to help developers implement efficient, automated, and scalable workflows without cost.
This article explains Linux cgroups—its subsystems, hierarchical structure, kernel implementation via VFS, mounting and configuration methods, and practical examples—showing how they provide fine‑grained resource control for processes and containers.
This guide explains how to configure Docker’s daemon to use DaoCloud’s Docker Hub Mirror on CentOS and Ubuntu, enabling dramatically faster image downloads by adding a registry‑mirror option, restarting the service, and verifying the speed with a test pull.
This guide explains how Docker data volumes enable file‑system sharing between containers and the host, covering volume concepts, mounting host directories, and using --volumes‑from to share data across multiple containers, with practical command examples and visual illustrations.
This guide explains Dockerfile fundamentals, breaking down its four sections, providing a complete example, and detailing each core instruction such as FROM, MAINTAINER, RUN, CMD, EXPOSE, ENV, ADD, COPY, ENTRYPOINT, VOLUME, USER, and WORKDIR for building Docker images.
Learn step‑by‑step how to download a CentOS base image, create a Dockerfile that installs and configures OpenSSH, build a new SSH‑enabled image, run the container with port mapping, and verify connectivity via an SSH client, turning a closed container into a remote‑accessible environment.
Learn how to install Docker on CentOS, start the service, pull the official Ubuntu image, and launch an interactive container to display a simple 'hello world' message, with step‑by‑step commands and screenshots illustrating each stage of the process.
This guide introduces essential Docker commands—from pulling images and managing containers to inspecting and removing them—providing clear examples and best practices for safely operating Docker on any system, including host file configuration, interactive sessions, background execution, and cleanup procedures.
