This article reviews EasySearch, a lightweight Elasticsearch‑compatible search engine, covering its technical features, performance gains, ARM support, deployment steps, operational best practices, and migration scenarios to help enterprises evaluate it as a domestic alternative.
This comprehensive guide walks you through Linux server security hardening, covering real-world incident analysis, a detailed checklist of system, SSH, firewall, kernel and logging configurations, plus ready-to-use Bash scripts, Ansible playbooks, Docker hardening, monitoring tools, and actionable steps to build an enterprise‑grade defense.
This guide reveals the most common Docker production vulnerabilities, such as privileged containers and outdated base images, and provides step‑by‑step hardening techniques—including minimal Alpine images, multi‑stage builds, user namespace isolation, resource limits, network policies, secret management, runtime security tools, and automated CI/CD scanning—to ensure enterprise‑grade container security.
This article provides a comprehensive guide to Docker, covering its core concepts, installation steps, essential commands, Dockerfile image creation, and networking modes such as bridge, host, and none, with practical code examples and diagrams.
This article introduces a hand‑picked collection of useful Docker images—including remote IDEs, database managers, task schedulers, lightweight serverless services, personal homepages, monitoring tools, note‑taking apps, analytics, navigation pages, file browsers, and Docker UI managers—providing key features, practical use‑cases, and ready‑to‑run docker‑run and docker‑compose commands for developers and ops engineers.
This guide provides four ready-to-use one‑click scripts for Linux that automate the installation of a Rust development environment, Tomcat 9 server, Docker engine, and Nginx web server, including supported distributions, usage steps, and post‑install considerations.
This article walks through a complete Go microservice project, demonstrating Dockerfile optimization, advanced docker‑compose techniques, essential commands, and best‑practice deployment strategies to help you master containerizing microservices.
This comprehensive guide explains why container security is essential in cloud‑native environments, outlines common threats, and provides step‑by‑step best‑practice recommendations—including secure image building, runtime hardening, Kubernetes hardening, secret management, monitoring, and an actionable implementation roadmap.
Learn how to configure a single GitLab Runner on an Ubuntu server to handle both shell and Docker executors by registering multiple runner instances, assigning distinct tags, and using .gitlab-ci.yml job tags for precise task scheduling, complete with step‑by‑step commands and examples.
This article compares two GitLab CI strategies—installing tools on‑the‑fly in scripts versus using a pre‑built Docker image—detailing their implementations, pros and cons, and concluding that pre‑built images provide superior speed, consistency, and security for long‑term projects.
This article explains Docker's architecture, covering how images serve as read‑only templates, how registries store and distribute images, and how containers use namespaces and cgroups to provide lightweight, isolated, and portable runtime environments for modern cloud‑native applications.
This guide shows how to enable instant messaging using RabbitMQ's MQTT plugin, run the broker in Docker, test with MQTTX, create a web‑based chat with MQTT.js, and integrate MQTT into a Spring Boot application, all without writing custom backend code.
Learn how to avoid common Dockerfile pitfalls, choose optimal base images, streamline layer caching, implement health checks, and apply security best practices with real code examples, enabling faster builds, smaller images, and reliable production deployments for developers and ops engineers alike.
This comprehensive guide walks you through containerizing applications, optimizing Docker images, securing containers, designing Kubernetes high‑availability clusters, implementing observability with Prometheus and ELK, automating CI/CD pipelines, applying RBAC and network policies, and cutting costs with autoscaling and resource tuning, all backed by real‑world code examples.
This article walks through Docker’s essential role in modern cloud-native architectures, explaining why containerization solves environment inconsistencies, and provides a step‑by‑step guide—including writing a Dockerfile, building images, running containers, and accessing services—for deploying Spring Boot microservices efficiently.
Learn how to protect Docker containers throughout their lifecycle—starting with secure base image selection and vulnerability scanning, through Dockerfile hardening, runtime configurations, network isolation, storage encryption, and continuous monitoring—using practical examples, scripts, and tools like Trivy, Docker Content Trust, Falco, and custom Seccomp profiles.
This guide introduces the open‑source DBSyncer tool, explains its key features, shows how to install it via Docker, and provides a step‑by‑step example of synchronizing a MySQL product table to an Elasticsearch index, including configuration, field mapping, and verification.
This article walks you through practical Docker image optimization methods—choosing lightweight base images, leveraging multi‑stage builds, trimming layers, using .dockerignore, applying BuildKit, and runtime tweaks—showing real‑world before‑and‑after results that cut image size by up to 90% and dramatically speed up builds and deployments.
This tutorial walks you through removing old Docker packages, configuring yum repositories (official and Alibaba Cloud mirrors), installing a specific Docker Engine version, setting up image acceleration, verifying Docker, installing Docker‑Compose, downloading and configuring Harbor, and finally validating the Harbor registry on a CentOS system.
This guide explains how to use the lightweight MQTT protocol with RabbitMQ, covering Docker setup, enabling the MQTT plugin, testing with MQTTX, creating a front‑end chat using MQTT.js, and integrating MQTT into a SpringBoot application for server‑side messaging, all without writing custom back‑end code.
This article explains Docker’s various network modes—including bridge, host, none, and container—detailing their architecture, use‑cases, and limitations, and also covers Docker’s network drivers, how to create and connect networks via CLI, and the service discovery and load‑balancing features provided by Docker Swarm.
This guide explains how to set up a fully automated pipeline that syncs Docker Hub images to the CNB registry using GitHub Actions, skopeo, and configurable YAML files, supporting selective or full mirroring, version overrides, and secure credential handling.
The article analyzes why running MySQL in Docker containers can cause data‑security risks, performance bottlenecks, state management problems, and insufficient resource isolation, while also outlining scenarios where containerization might still be viable.
The guide explains what the check-docker-connection utility does, its key features, required environment, command‑line options, and provides step‑by‑step examples for monitoring single or multiple Docker containers and displaying the top N containers by network connections, helping users analyze network performance and troubleshoot issues.
This guide introduces NanoMQ, a lightweight high‑performance MQTT broker for edge and IoT scenarios, outlines its key features, core advantages, and provides step‑by‑step Docker deployment, client connection, and publishing examples with PHP code.
This tutorial shows how to use IntelliJ IDEA and Docker to remotely deploy SpringBoot applications with a single click, comparing traditional jar uploads with modern containerized deployment, and provides step‑by‑step configuration, Dockerfile creation, and troubleshooting tips.
This guide introduces RustFS, a high‑performance Rust‑based distributed object storage system, covering its key features, Docker installation, console usage, and step‑by‑step integration with SpringBoot for file upload and deletion, including code snippets and configuration details.
This article introduces JD's open‑source JoyAgent‑JDGenie, a lightweight multi‑agent framework, explains its architecture and performance, and provides step‑by‑step instructions for local Docker deployment, configuration, and usage for creating AI‑driven applications.
Explore comprehensive Docker container security from an attacker’s perspective to expert defenses, featuring real-world escape incidents, threat matrices, five detailed penetration testing scenarios, enterprise-grade protection frameworks, monitoring scripts, and actionable best practices for securing images, runtimes, networks, and access controls.
This article provides a comprehensive, hands‑on tutorial for installing Ollama, Docker, and the open‑source Coze Studio on a local machine, configuring various LLM services such as Qwen 3, DeepSeek‑V3, and OpenRouter, and running the platform via Docker Compose to create and test AI agents.
This article explains what Podman is, highlights its daemon‑less, rootless architecture compared with Docker, details key differences, provides common command references, installation steps, configuration tips, and practical usage examples for managing containers and images on Linux systems.
This guide shows how to integrate Spring Boot DevTools for automatic hot deployment, configure remote debugging via Docker, and streamline development with IDE auto‑build settings, providing step‑by‑step code examples and configuration snippets.
This guide walks you through preparing the environment, comparing traditional JAR deployment with IDEA‑plus‑Docker one‑click deployment, configuring SSH and Docker daemon, writing a Dockerfile, and setting up IntelliJ remote run configurations, culminating in a fully automated SpringBoot launch with live logs.
This article explains how Docker relies on Linux Control Groups (cgroups) to provide resource isolation, limiting, priority management, and hierarchical process control, ensuring containers run efficiently without one process monopolizing CPU, memory, or I/O resources.
This article explains why Docker images bloat, then demonstrates using multi‑stage builds, Alpine base images, and Trivy vulnerability scanning—plus CI/CD integration—to produce lightweight, secure containers and streamline DevSecOps workflows.
The article examines Docker's diminishing dominance, outlines its historical impact and current limitations, and explores lighter alternatives, modern runtimes, and evolving orchestration solutions that together shape the next generation of containerized development and deployment.
This tutorial walks through preparing three CentOS 7 hosts, installing Docker and Kubernetes components, initializing a master node, handling common errors, joining worker nodes, installing a CNI plugin, testing the cluster, and provides essential kubectl commands for ongoing management.
This article explains why Docker images often become bloated, outlines three hidden pitfalls of official images, and demonstrates a 75% size reduction using multi‑stage builds with Alpine, backed by real‑world performance data and practical anti‑pitfall tips.
This guide walks you through installing and configuring Nginx on CentOS, Docker, and macOS, explains core concepts like event‑driven architecture, compares Nginx with Tomcat, and clarifies the roles of traffic gateways, API gateways, and service registries, providing practical commands and Q&A for developers.
The article examines Docker's decade‑long impact, its emerging limitations in 2025, and presents lighter, more secure alternatives such as containerd, Podman, ServBay, and serverless runtimes, while outlining future trends like AI‑driven orchestration and edge‑focused container strategies.
Learn how to set up Graylog for centralized log aggregation using Docker‑Compose, configure its inputs, and seamlessly integrate it with a Spring Boot application via Logback‑GELF, including necessary code snippets, configuration files, and query examples for efficient log searching.
This guide explains why Redis is used as an in‑memory cache, its relationship to traditional databases, and provides detailed native and Docker‑Compose installation steps on AlmaLinux, plus instructions for connecting and managing Redis with DataGrip.
This guide explains why Linux kernel parameters matter, lists key sysctl settings, shows how to apply them temporarily or permanently—including in Docker and Kubernetes—and provides step‑by‑step methods to verify and troubleshoot the changes for optimal system performance.
After a midnight CPU alarm threatened service stability, I walked through rapid diagnosis with top and htop, identified JVM bottlenecks using jstat and async‑profiler, refactored a Java sorting algorithm, added caching, optimized database queries, containerized the service, and set up Prometheus‑Grafana alerts to prevent future incidents.
This article reveals the 15 most common Docker pitfalls—from oversized images and root‑user containers to insecure secret handling and Kubernetes mismatches—explaining why they happen, showing concrete code fixes, and offering practical tips to build lean, secure, and production‑ready containers.
The article examines Docker's declining dominance, its historical impact on DevOps, the emerging limitations in modern development scenarios, and surveys lighter, more secure alternatives such as containerd, Podman, K3s, and AI‑driven orchestration, outlining the future direction of containerization.
This comprehensive guide explains the EFK (Elasticsearch, Fluentd, Kibana) log management stack, covering its components, architecture, deployment steps, log collection strategies, index optimization, monitoring, security hardening, troubleshooting and best‑practice recommendations for building a reliable, scalable logging solution in modern cloud‑native environments.
The article examines Docker's declining dominance as system scale and security demands grow, outlines its limitations, and surveys emerging lightweight runtimes, local development tools, simplified orchestration options, and AI-driven trends shaping the future of containerization.
Prompt‑Optimizer is an open‑source tool that uses AI models to automatically refine and compare prompts, offering multi‑model support, security features, and cross‑platform access, while providing step‑by‑step Docker deployment instructions for developers and prompt engineers.
This guide walks you through Docker Compose’s most useful commands, explains the structure and key fields of a docker‑compose.yml file, and provides practical examples and tips for building, running, and managing multi‑container Docker applications efficiently.
This guide explains why log aggregation is needed in micro‑service environments, shows how to set up Graylog using Docker‑Compose, configure its inputs, and integrate it with a Spring Boot application via Logback‑GELF, then demonstrates basic log search queries.
This guide walks through setting up FrankenPHP on Ubuntu, integrating it with Laravel and Octane, configuring Caddy, and benchmarking performance against traditional Nginx + PHP‑FPM, showing significant speed improvements.
RustFS is an open‑source, Rust‑based distributed object storage system that is fully S3‑compatible, runs on any major OS and CPU architecture, and can be quickly deployed with Docker for cloud‑native environments, with step‑by‑step usage examples in PHP.
This article introduces six practical Docker images—including Code‑Server, CloudBeaver, QingLong, PocketBase, Uptime‑Kuma, and Dockge—detailing their key features, use cases, and ready‑to‑run Docker commands or compose files, enabling developers of any level to streamline coding, database management, automation, monitoring, and container orchestration.
FrankenPHP, now officially supported by the PHP Foundation, replaces the traditional PHP‑FPM setup with a Go‑based Caddy server that embeds PHP, offering faster request handling, simplified deployment, worker mode, modern protocol support, and extensibility, while still being evaluated for robustness.
This guide walks you through setting up Nginx Proxy Manager using Docker and Docker‑Compose, covering quick installation, essential features, custom Docker networking, health‑check configuration, and advanced options, all illustrated with code snippets and screenshots.
Learn step‑by‑step how to set up Graylog using Docker‑Compose, configure its inputs, and connect a Spring Boot application via Logback‑GELF, enabling centralized log aggregation and searchable queries across multiple service instances in a micro‑services environment.
This article walks you through installing Jenkins on a Linux server, configuring its service files, setting up admin credentials, managing plugins and user permissions, creating parameterized builds and pipelines, and enabling email notifications for build status.
This guide explains why Docker consumes disk space, describes the different resource types and their states, and provides practical commands and shell scripts to safely prune unused or dangling images, containers, volumes, and networks, helping developers keep their environments lean.
This guide introduces Grafana, outlines its multi‑source monitoring features, and provides step‑by‑step installation instructions for Linux using systemd and for Docker Compose, including required commands, configuration files, and how to create and save a basic dashboard.
This guide shows how to create a fully local Retrieval‑Augmented Generation (RAG) system using n8n, Docker, Ollama and the free Qwen3 embedding model, enabling secure, up‑to‑date AI assistants that answer enterprise questions without exposing any proprietary data.
btop is a modern, graphical replacement for the classic top command that runs on Linux, FreeBSD, and macOS; this guide explains how to install it via Snap, APT, source compilation or Docker, shows how to verify the installation, and details its interface, shortcuts, configuration, and additional features.
This article introduces Milvus, an open‑source vector database for AI and machine‑learning workloads, outlines its key features and application scenarios, and provides detailed Docker‑Compose commands to set up Milvus, MinIO, and the Attu graphical management tool.
This guide walks you through installing and configuring Dify—a open‑source LLM application platform—on your local machine using Docker, integrating it with Ollama for custom models, and exploring its core features such as chat assistants, agents, workflows, and tool extensions, all illustrated with step‑by‑step screenshots and code snippets.
This article presents thirteen essential development tools—from IntelliJ IDEA and AI‑assisted Cursor to Docker, Git, and Jenkins—explaining how each can dramatically improve coding speed, debugging, testing, and deployment, and includes practical code snippets and real‑world performance data.
This article explains Docker’s essential architecture, focusing on Linux Cgroups as the foundation for container resource isolation, detailing why Cgroups are needed, how they work, and practical examples of CPU, memory, and I/O limits using Docker commands.
This guide explains how to compare major code‑hosting platforms, set up required tokens, and use a Docker‑based CNB import tool to batch‑migrate repositories from Coding, GitHub, GitLab, and Gitee into Tencent's CNB environment, including command syntax and post‑migration access details.
This guide explains why building "once, run everywhere" containers is challenging across ARM and x86 platforms and provides step‑by‑step instructions for using Docker Buildx, Docker manifest, and Skopeo to create, tag, and push multi‑architecture images to a private registry.
This guide explains Docker’s various network modes—including bridge, host, none, and container—details each driver’s behavior, shows how to create and configure custom networks with commands, and covers Swarm’s built‑in service discovery and load‑balancing mechanisms for scalable container deployments.
This comprehensive guide walks you through Docker fundamentals, Linux installation steps, essential commands, data volume handling, custom image creation with Dockerfiles, networking tricks, full project deployment, and using Docker Compose to orchestrate multi‑service applications, all illustrated with practical code examples.
This guide walks you through Docker's lightweight container model versus traditional VMs, outlines Docker's architecture and key components, then introduces Kubernetes as an open‑source orchestration platform, detailing its capabilities, master‑node architecture, and core concepts such as Pods, Volumes, Deployments, Services, and Namespaces.
This guide introduces a curated list of useful Docker images—including code‑server, CloudBeaver, QingLong, PocketBase, Homer, Uptime‑Kuma, Memos, Umami, Filebrowser, and Dockge—detailing their key features, recommended use cases, and ready‑to‑run installation commands for developers of all levels.
This article curates a collection of essential Docker images—from remote IDEs and database managers to personal dashboards and monitoring tools—providing concise feature overviews, practical installation commands, and usage tips that help developers and ops engineers streamline their environments and boost productivity.
Go, created by Google in 2007 and open‑sourced in 2009, has become a top choice for modern backend and cloud‑native development thanks to its simple syntax, powerful built‑in concurrency, fast native compilation, low memory usage, and widespread adoption by companies like Google, Uber, Netflix, Docker, and Kubernetes.
Learn how to containerize Go applications with Docker, craft efficient multi‑stage Dockerfiles, and set up a complete CI/CD workflow using GitHub Actions, covering automated testing, image building, deployment, health checks, monitoring, and production best practices for robust, repeatable releases.
This article introduces the Nginx UI visual management tool, walks through Docker-based installation, demonstrates configuring server metrics, SSL certificates, static and dynamic proxy settings, and shows a step‑by‑step deployment of a SpringBoot‑Vue e‑commerce mall project, highlighting practical usage and key features.
This guide curates a collection of practical Docker images—including code‑server, CloudBeaver, QingLong, PocketBase, Homer, Uptime‑Kuma, and more—detailing their key features, recommended use cases, and ready‑to‑run docker run and docker‑compose commands to help developers quickly boost productivity.
This tutorial walks you through using a one‑click script to create a GPU‑enabled Kind Kubernetes cluster, evenly distribute GPU resources across nodes with nvkind, install necessary drivers and toolkits, deploy a vLLM‑served large language model, and verify its operation, all on a local or cloud environment.
This article explains the lightweight nature of K3s, compares it with standard Kubernetes, and provides step‑by‑step commands for installation, cluster access, node addition, service deployment, and ingress configuration, highlighting practical differences and use‑case considerations.
Learn step‑by‑step how to troubleshoot MySQL master‑slave replication problems, from verifying component roles and executing the correct SHOW SLAVE STATUS command inside the MySQL client, to fixing missing command errors, checking IO/SQL threads, and restarting replication in Docker‑based environments.
This step‑by‑step guide walks you through initializing a Kubernetes controller project with kubebuilder, writing the Reconcile logic, debugging and performance monitoring, building and pushing Docker images, and deploying the controller using Helm charts, while also covering metrics collection, RBAC configuration, and best practices for cloud‑native workloads.
This article explains what Podman is, compares its daemon‑less, rootless architecture to Docker's daemon‑based model, and provides step‑by‑step installation, configuration, and command‑line examples for managing containers, images, volumes, and networking on Linux.
The new Nacos MCP Router release introduces full SSE and Streamable HTTP protocol support, Dockerized deployment, and a one‑click conversion feature that transforms Stdio or SSE MCP servers into Streamable HTTP, simplifying integration across heterogeneous systems, micro‑service architectures, AI assistants, and cloud‑native applications.
This article explains Docker’s fundamental technologies—how Linux namespaces provide process, network, and filesystem isolation while cgroups enforce resource limits such as CPU, memory, I/O, and process counts—offering a concise guide for building secure, efficient containerized applications.
Learn how to quickly pinpoint MySQL performance bottlenecks on AlmaLinux by using built‑in tools like top, iotop, ss, and netstat, and automate snapshot collection with a simple Bash script that records system and container metrics for later analysis.
This article introduces Nginx UI, a graphical tool that simplifies Nginx configuration and monitoring, outlines its core features—including AI Agent support—provides pre‑installation notes, and offers step‑by‑step installation guides for Systemd, Docker, and quick‑install scripts, concluding with its operational benefits.
The article introduces Google’s open‑source Gemini‑Fullstack‑LangGraph‑Quickstart project, explains its modern front‑end/back‑end architecture, details a five‑step intelligent research workflow, and outlines development, deployment, and extensibility considerations for creating a self‑contained, research‑oriented AI agent.
This article provides a step‑by‑step tutorial for DBAs to design a reliable MySQL backup strategy, write a Bash automation script, schedule it with cron, and perform restoration drills using Docker containers, while covering directory planning, command checks, cleanup, and common troubleshooting.
This guide walks through building a private Docker registry using Distribution, covering local deployment, persistent storage, external access configuration, domain mapping, self‑signed TLS setup, root‑certificate installation, and server startup, while noting the lack of a built‑in UI and suggesting docker‑registry‑ui as an optional front‑end.
This guide walks you through installing NVIDIA drivers, Docker, and the NVIDIA Container Toolkit, then shows step‑by‑step how to run GPUStack in Docker, expand a GPU cluster, and serve large language, multimodal, diffusion, and embedding models with OpenAI‑compatible APIs.
This comprehensive guide walks you through Jenkins' origins, explains why it outperforms its predecessor Hudson, and provides step‑by‑step instructions for installing, configuring, securing, and extending Jenkins with pipelines, plugins, user management, and email notifications for robust CI/CD automation.
This guide explains Nacos 3.0 architecture, shows how to quickly deploy it with Docker, configure JWT authentication, verify service startup, perform service registration and discovery, publish and retrieve configurations, and integrate Nacos with the Webman PHP framework using the webman‑nacos plugin.
This guide walks through Docker container fundamentals, covering how to run containers with CMD or ENTRYPOINT, keep them alive, attach or exec into them, stop/start/restart, pause/unpause, remove, apply memory, CPU and block I/O limits, and explains the underlying cgroup and namespace technologies that enforce isolation and resource control.
This guide explains the fundamentals of Linux host file systems, LVM logical volumes, and Docker storage drivers, showing step‑by‑step how to format, mount, and persist MySQL data using Docker volumes and bind mounts on AlmaLinux servers.
This article provides a comprehensive guide to Docker, covering its core concepts, installation steps for CentOS, macOS, and Windows, essential Docker commands, detailed Dockerfile instructions, and an introduction to Docker Compose with practical examples.
This article walks through the complete installation and configuration of Suna, an open‑source, fully offline AI agent built on Claude 3.7, LangChain, and Daytona, comparing its richer UI and privacy advantages to Manus, and demonstrates its capabilities by automating a Kaggle competition analysis.
To test data with strict time constraints without altering the host, this guide shows how to modify a Docker container’s clock using libfaketime, explains why direct date changes fail due to Linux capabilities, and provides step‑by‑step Dockerfile, build, run, and verification instructions.
This guide explains how to set up an automated MySQL backup solution on AlmaLinux using Docker containers, a Bash script, and crontab, covering environment preparation, script creation, command checks, logging, error handling, and optional enhancements such as email notifications and security best practices.
This article explains how Docker images are created, introduces Dockerfile syntax and key instructions such as FROM, COPY, RUN, CMD, and ENTRYPOINT, and provides practical guidelines and real‑world examples for building clean, lightweight containers.
This article curates a collection of useful Docker images—including remote IDEs, database managers, automation panels, lightweight serverless services, personal homepages, monitoring tools, note‑taking apps, analytics, file browsers, and Docker UI managers—providing feature highlights, special usage tips, and ready‑to‑run docker run and docker‑compose commands for each.
