This article provides a comprehensive guide to Apache Kafka, covering its core concepts, architecture, key APIs, topics and partitions, deployment steps, multi‑broker clustering, fault tolerance, and data integration using Kafka Connect, with detailed command‑line examples.
This guide walks through installing Apache SkyWalking, setting up an ElasticSearch storage cluster, configuring agents, launching services, and integrating DingTalk notifications for alarm handling, providing complete commands, configuration snippets, and troubleshooting tips.
This guide walks you through downloading and installing ElasticSearch, explains core concepts like indices, types, documents, and fields, demonstrates CRUD operations via RESTful APIs, shows advanced query techniques, and provides complete Java integration examples using Maven and Docker.
This article provides a comprehensive guide to installing and deploying the Wukong CRM 9.0 Java version, detailing its backend stack, required environments, configuration files, Maven dependencies, Undertow/Tomcat deployment options, and front‑end Vue setup, along with QR‑code download instructions.
This article explains why learning MySQL is important, outlines the focus of a multi‑part series covering MySQL's underlying principles, installation on macOS, basic architecture components, InnoDB features, and what readers can gain such as SQL optimization and cluster building skills.
This guide explains what Jenkins is, outlines its main features, and provides step‑by‑step instructions for installing Jenkins on Linux via three methods—yum package, Tomcat container, and Docker—including all required commands, configuration files, and how to retrieve the initial admin password.
This comprehensive tutorial walks you through installing MongoDB on Windows, configuring data and log directories, setting environment variables, creating and managing databases, collections, indexes, aggregation pipelines, backup and restore procedures, monitoring tools, advanced query operators, user management, and using a visual tool like Navicat for MongoDB.
This guide walks through installing required tools, configuring Postfix, adding the GitLab repository, installing GitLab CE on a Kubernetes master, adjusting default ports in GitLab’s configuration files, reloading the setup, and accessing the service via a web browser.
This guide introduces DBeaver, a free open‑source database management tool, explains how to download and install it on various operating systems, shows how to create and test database connections (e.g., PostgreSQL), manage JDBC drivers, and generate ER diagrams from existing schemas.
SysMonTask is an open‑source Linux system monitor that mimics the look of Windows Task Manager, offering CPU, memory, disk, network and GPU stats, customizable themes, process control, and easy installation via PPA on Ubuntu‑based distributions.
MGit is Baidu’s open‑source, Ruby‑based multi‑repository management tool that streamlines batch Git operations across hundreds of component repositories, reduces error risk, offers readable output and simple commands, and is already used in dozens of Baidu products while encouraging community contributions.
This guide explains two installation methods for NumPy, focuses on using pip with a wheel file, walks through selecting the correct version, installing via command line, testing the library, and troubleshooting import errors in IDEs such as PyCharm.
This guide walks you through multiple ways to install Node.js on Linux—including the recommended NVM method, using distribution package managers for stable releases, and adding NodeSource repositories for the latest versions—covering version listing, switching, setting defaults, and removal, with full command examples and screenshots.
This article provides a step‑by‑step tutorial for installing the Laravel‑KindEditor package, configuring storage drivers, adding the service provider, publishing assets, setting up the editor in Blade templates, and handling image upload responses with example code snippets for developers.
This tutorial explains what VMware is, provides download links for VMware Workstation 10.0.3 and CentOS 7, and walks through creating a virtual machine, configuring hardware, loading the ISO, and completing the CentOS installation with partitioning and post‑install setup, all illustrated with screenshots.
This guide introduces duf, a Golang‑based command‑line utility that displays disk usage across Linux, macOS, BSD, Android and Windows, explains its key features, provides step‑by‑step installation methods for various distributions, and demonstrates common usage options and output formats.
This article introduces Atlas, a MySQL‑protocol data middle‑layer developed by Qihoo 360, and provides step‑by‑step instructions for downloading, installing, configuring, testing read/write operations, creating production users, and managing backends using its admin interface.
This article introduces PostgreSQL as a powerful open‑source object‑relational database, outlines its key features and typical use cases, and provides a detailed, screenshot‑rich walkthrough for downloading, installing, and configuring PostgreSQL and pgAdmin on Windows.
This article introduces Apache IoTDB, a high‑performance time‑series database for IoT, covering its key features, overall architecture, installation procedures, command‑line operations, and JDBC usage with example code to help newcomers quickly start storing and querying sensor data.
This extensive tutorial provides a step‑by‑step guide to installing Sublime Text on Windows, adding it to the system PATH, configuring Package Control, customizing settings, themes, and key shortcuts, and demonstrates advanced editing features such as multi‑selection, find‑replace, navigation, and code snippets, making it a valuable resource for developers seeking to master this powerful cross‑platform code editor.
This guide explains what ZooKeeper is, its core distributed coordination concepts, how to install it via binary packages or Docker, and provides an overview of available client libraries for Java, Python, Go, Node.js, and Ruby, helping developers quickly get started.
This article provides a comprehensive guide to Git, covering its purpose, installation on Windows, Linux, and macOS, account registration, SSH key setup, creating repositories, cloning, branch management, merging, conflict resolution, and version rollback procedures.
This article provides a comprehensive guide to installing and configuring Apache RocketMQ, covering its history, core features, high‑availability architectures, detailed port planning, downloading, editing broker configuration files, creating data directories, starting NameServer and brokers, troubleshooting common issues, and deploying the web console for monitoring.
This article introduces DBeaver, a free open‑source, cross‑platform database management tool that supports numerous databases via JDBC, outlines its rich features such as data editors, ER diagrams, import/export, and provides step‑by‑step installation instructions for Windows, macOS, and Linux, plus tips for creating connections.
This guide explains how to download, install, and configure DBeaver, connect to various relational and NoSQL databases via JDBC, manage drivers manually when needed, and generate entity‑relationship diagrams directly from existing database schemas.
This article introduces the Laravel‑like‑comment package, outlines its features, and provides step‑by‑step instructions—including Composer installation, service provider registration, asset publishing, database migration, CSS/JS inclusion, user model configuration, and Blade directives for adding likes and comments—to integrate a full‑featured AJAX comment system into a Laravel application.
This guide introduces Hyperf, a high‑performance PHP coroutine framework built on Swoole, explains its CLI vs PHP‑FPM modes, lists required system extensions, shows how to configure Composer mirrors, install the skeleton, disable Swoole short names, start the server, and resolve common port‑conflict issues.
This guide walks through downloading the Jira Server installer, setting up a PostgreSQL database, executing the installation, opening required ports, adding the Atlassian agent for licensing, and completing initial configuration to get Jira Software 8.13.2 running on a Linux server.
This guide explains how to install and run the DBLE distributed database middleware on Huawei's Kunpeng 920 ARM‑based servers, covering wrapper preparation, Kunpeng‑compatible JDK installation, DBLE startup verification, and connection testing with MySQL client.
This tutorial walks through preparing three Kubernetes nodes, extracting and distributing Zookeeper, configuring its zoo.cfg and myid files, starting and verifying the Zookeeper ensemble, then installing Kafka, adjusting its server.properties, and finally launching Kafka across the cluster.
This article introduces DBeaver, a free open‑source, Java‑based database management and development tool that supports a wide range of databases via JDBC, outlines its rich features, provides installation instructions for Windows, macOS, and Linux, and walks through creating and using a database connection with screenshots.
This article compares Prometheus and Zabbix, explains how to install and configure Prometheus, set up exporters like node_exporter, integrate with Grafana, and visualize system metrics, providing practical commands and configuration examples for effective monitoring.
This guide shows how to transform an outdated 2011 13‑inch MacBook Pro into a usable Linux machine by creating a Fedora 33 live USB, installing the OS, and configuring the Broadcom Wi‑Fi driver, all within about an hour of work.
This article provides a step‑by‑step guide to preparing the operating system, installing and configuring MySQL, tuning system parameters, and using a Bash one‑click deployment script to automate the setup and initialization of a MySQL 5.7.32 instance on Linux.
This article introduces DBeaver, a free open‑source, Java‑based universal database management and development tool, outlines its rich features, supported databases, and provides step‑by‑step installation and connection setup instructions for Windows, macOS, and Linux environments.
This guide walks through installing MariaDB, creating a Gogs database and user, setting up Git, extracting and launching Gogs, and configuring the application—including disabling registration—to complete a simple self‑hosted Git server on Linux.
This article provides a detailed Linux tutorial for installing MongoDB, disabling the firewall, extracting the package, setting environment paths, creating data and log directories, editing the configuration file, and launching the database both in foreground and as a background service.
This article provides a comprehensive guide to the open‑source Kong API gateway, covering its architecture built on OpenResty, step‑by‑step installation on CentOS, core components, key features, plugin ecosystem, authentication, traffic control, logging, and a comparison with other gateways, while also showing how to set up the Kong Dashboard UI.
This tutorial walks through extracting the MySQL 8.0.17 package, creating required directories and users, configuring my.cnf, initializing the data directory, setting up startup scripts, adding MySQL to the system PATH, starting the service, and securing the root password on a Linux host.
This tutorial walks you through downloading Jenkins, setting up JDK 1.8, installing and configuring Supervisord, creating the Jenkins directory, configuring supervisord to manage Jenkins, retrieving the initial admin password, and completing the web UI setup, all with clear command examples and screenshots.
This guide explains what Cerebro is, how to install it (including binary and Docker options), how to run it on Linux, macOS, and Windows, and how to use its UI to connect to an Elasticsearch node, view cluster overviews, manage shards, and execute DSL queries.
This tutorial introduces Apache Zeppelin, explains REPL and Jupyter concepts, outlines its core features and project structure, and provides step‑by‑step instructions for installing Zeppelin, creating notebooks, and connecting to databases, Spark, and Flink with practical code examples.
This guide explains what SpaceVim is, how to install it on Windows (including required Vim/Neovim), and provides step‑by‑step configuration to enable Java support with LSP, complete with code snippets and screenshots of the resulting IDE.
This guide explains the core concepts of logging, metrics, and tracing in micro‑service monitoring, introduces Prometheus, exporters, and Grafana, and provides step‑by‑step instructions for downloading, installing, configuring, and visualizing metrics using these tools.
This guide introduces Nano, a Go‑based KVM virtualization manager, and walks through its core architecture, three‑minute installation, service startup, and basic configuration for creating and monitoring cloud instances.
This guide walks through installing Prometheus on the master node, deploying node_exporter on both master and worker nodes, and setting up Grafana on a third node, including service files, systemd registration, and verification of monitoring endpoints within a Kubernetes environment.
This guide explains how to install Prometheus on a Linux server using both the binary method and a Docker container, covering downloading, extracting, configuring the prometheus.yml file, running the service, and verifying the installation.
This tutorial walks you through installing YApi, configuring its environment, importing Swagger definitions, managing interfaces, leveraging mock data, enabling automatic sync, and handling permission management, providing a powerful, secure API documentation solution for backend developers.
This guide walks you through downloading, extracting, compiling, and installing Redis from source on Ubuntu, configuring its files and startup scripts, securing the service, enabling automatic boot start, and performing data migration with detailed commands and examples.
This tutorial explains how to update an Ubuntu server, add the ondrej/php PPA, install PHP 8 and its extensions, configure php.ini for both Apache and Nginx, adjust performance settings, and restart services to fully enable PHP 8 on a Linux VPS or cloud instance.
This guide provides a step‑by‑step tutorial on preparing a Linux environment, installing Java, GNOME Desktop, VNC remote access, Chinese language support, downloading and extracting Kettle, configuring its startup scripts, creating desktop shortcuts, and managing essential Kettle configuration files for successful Hadoop ETL development.
The article introduces Huawei's open-source Bisheng JDK 8, outlines its performance‑enhanced features such as JFR and fast serialization, and provides a step‑by‑step installation guide for the Linux/AArch64 platform, including download links, extraction commands, and optional configuration options.
This article introduces Redis as a high‑performance, in‑memory NoSQL database, explains why learning it is valuable, provides step‑by‑step installation instructions, and presents essential commands for keys, strings, lists, sets, sorted sets, and hashes with practical code examples.
This article walks through installing MySQL Workbench, demonstrates its core database management features such as creating connections, adjusting appearance, handling tables and data, executing SQL, and managing instances, then compares it with Navicat, highlighting differences in design, backup, multi-database support, and unique capabilities.
This guide explains WireGuard's strict kernel requirements, shows how to upgrade kernels on various Linux distributions, provides detailed commands for installing WireGuard on older kernels, and introduces a one‑click script that automates configuration, firewall adjustments, and client management.
This guide explains how to install Kibana 7.6.2 on a Linux server, configure its kibana.yml settings, start the service, troubleshoot common permission issues, and access the web interface for visualizing Elasticsearch data in real-time.
This guide walks through installing Zsh on Ubuntu 20.04, setting it as the default shell, configuring initial options, and reverting to Bash, providing step‑by‑step commands and screenshots for each stage.
This guide explains how to install ThinkPHP 6.0 using Composer, add the multi‑application extension, generate modules, configure essential files, install the view engine, run the application in a browser, and resolve common .htaccess issues.
This guide walks through installing and configuring Git, explains the working directory, staging area, and repository concepts, demonstrates common commands for initializing, committing, branching, tagging, reverting changes, and shows how to archive code and upgrade Git on CentOS.
This article provides a complete tutorial for installing Java, downloading Elasticsearch 7.6.2, configuring elasticsearch.yml, starting the service, setting up user passwords, and verifying the single‑node deployment on a CentOS 7 server, complete with command examples and screenshots.
This tutorial explains how to install Redis on Linux (including source compilation and Docker), set it up as a daemon, install the PHP Redis PECL extension, configure Composer, install ThinkPHP5, and run a simple PHP script that stores and retrieves a value from Redis.
This article introduces Harbor, an enterprise‑grade Docker image registry designed for cloud‑native environments, detailing its efficient distribution mechanisms, security features such as signing and vulnerability scanning, HA solutions, and step‑by‑step installation methods using offline packages, Docker‑compose, and Helm charts.
This guide walks you through removing old MySQL versions, installing MySQL 8.0 via YUM or binary packages, configuring a secure initial password, setting up multiple instances on different ports, and addressing typical MySQL 8.0 pitfalls such as user creation, remote root access, authentication plugins, and character set settings.
This article introduces HBase’s column‑oriented architecture, explains the roles of Master, RegionServer, and Zookeeper, and provides detailed environment preparation and installation commands for setting up an HBase cluster on Hadoop.
This tutorial walks through checking the default Python version on a Linux system, locating its binaries, downloading Python 3.6.5 source, installing required build dependencies, compiling and installing Python, creating symlinks, and configuring environment variables, while also addressing common network and repository issues.
This guide walks you through two methods for installing the Exa command‑line tool on various Linux distributions, explains required dependencies, shows step‑by‑step commands for binary and source installations, and demonstrates common usage options with practical examples.
This guide walks through installing Jenkins on CentOS 7, covering prerequisite JDK setup, repository configuration, service start‑up, troubleshooting common startup errors, firewall adjustments, and port configuration to get a functional CI/CD server.
This guide explains why terminal enthusiasts need a visual resource monitor, introduces bpytop, and provides step‑by‑step instructions for installing it via source, package managers, or snap on various Linux distributions, plus usage tips and configuration details.
This article provides a thorough, step‑by‑step tutorial on Sublime Text covering its history, installation on Windows, environment‑variable setup, Package Control installation, core concepts, settings, editing features, multi‑selection, find/replace, navigation shortcuts, window management, themes, color schemes, good coding practices, and a complete shortcuts cheat‑sheet.
This article introduces five handy command‑line utilities—a Netty‑based Dou Dizhu game, a Go‑based novel reader, a Rust‑based GitHub trending viewer, a Python‑based Zhihu client, and a Bash Tetris game—each with installation steps, usage commands, and quick‑start tips for developers looking to unwind.
This tutorial walks you through downloading, installing, and verifying Go on a Windows machine, configuring the GOPROXY proxy, and choosing a suitable IDE, providing clear screenshots and command‑line instructions for a smooth setup experience.
This article introduces Zookeeper's role in high‑concurrency distributed environments, explains its core concepts, installation steps on Linux, key features such as ordered updates and replication, and details its session, znode structures, node types, and watch mechanisms to help developers and ops engineers master its use.
This guide explains why terminal enthusiasts need system resource monitoring, introduces the efficient visual tool Bpytop, and provides step‑by‑step instructions for preparing prerequisites, installing via source or package managers, running, customizing, and locating its configuration file.
This guide introduces DBeaver, a free open‑source Java‑based database management tool, covering its features, cross‑platform installation, how to create connections (e.g., PostgreSQL), test drivers, and generate ER diagrams, along with useful resource links.
This guide walks you through downloading and installing DBeaver, setting up connections to various databases—including PostgreSQL, Oracle, and NoSQL platforms—using JDBC drivers, and creating ER diagrams, providing step‑by‑step instructions and screenshots to help you manage and visualize your data efficiently.
This guide details typical Laravel 7 installation problems—such as missing PHP extensions, version mismatches, 403 errors, cache and permission issues—and provides step‑by‑step Composer commands, code snippets, and troubleshooting solutions to help developers quickly resolve them.
This article explains the core concepts, component model, and architecture of Operator Lifecycle Manager (OLM), provides step‑by‑step installation instructions, details configuration options, and demonstrates how OLM handles dependency resolution and upgrade workflows for Kubernetes operators.
This guide walks through the complete process of setting up a fault‑tolerant RocketMQ cluster on two Linux servers, covering environment preparation, Java installation, NameServer and Broker deployment, configuration of master‑slave modes, startup commands, troubleshooting, port opening, verification, and optional console installation.
This guide walks through the new features of Elastic Stack 7.9 and shows step‑by‑step how to provision a three‑node Elasticsearch cluster on a local Mac using Vagrant, enabling security, TLS, API keys, and providing all necessary scripts, configuration files, and verification commands.
This comprehensive guide walks through downloading and installing RocketMQ on Windows, configuring environment variables, starting services, integrating the RocketMQ console, explaining core components, message models, reliability strategies, duplicate handling, transaction messages, and ordering guarantees for robust distributed messaging systems.
This tutorial walks you through installing Zabbix on CentOS 7, covering prerequisite disabling of SELinux and firewalls, adding repositories, installing server, web, and database components, configuring files, securing MariaDB, starting services, and completing the web‑based setup with language customization.
This guide walks you through setting up a fault‑tolerant RocketMQ cluster on two CentOS 7 machines, covering deployment options, environment preparation, Java installation, NameServer and Broker configuration, startup procedures, troubleshooting, and optional console installation.
This guide walks you through installing Django on Windows, verifying the installation, generating a new project with startproject, understanding its file structure, applying migrations, and launching the development server to see a working web page, all with clear command‑line steps.
This article introduces ClickHouse, an open‑source column‑oriented OLAP database, detailing its key features, appropriate use cases, installation steps, performance benchmark queries, and how it compares with other columnar storage solutions while highlighting its adoption by major internet companies.
This article introduces Elasticsearch as a distributed open‑source search and analytics engine, explains its core concepts and architecture, compares it with relational databases, details installation steps, configuration, indexing, analyzers, query DSL, pagination, sorting, and provides practical examples for building search functionality.
This tutorial explains what Python .whl (wheel) files are, how they differ from source distributions, and why using wheels dramatically speeds up package installation, illustrated with real pip install examples and compatibility considerations.
This tutorial walks you through disabling SELinux and the firewall, adding Zabbix and EPEL repositories, installing Zabbix server, web, and database components, configuring files, securing MariaDB, starting services, and completing the web‑based setup to get a fully functional monitoring system.
This guide walks through downloading, installing, and configuring MySQL Enterprise Monitor, explains the agent and agentless client architectures, and demonstrates how to use its overview, event, metric, and query‑analysis features for comprehensive MySQL performance monitoring.
This article provides a comprehensive overview of using Lua scripts with Redis, covering Lua basics, advantages of Lua scripting, detailed Redis‑Lua integration syntax, command usage, return‑type mappings, script management commands, and step‑by‑step instructions for installing Lua and executing example scripts.
This guide details the complete process of installing Jenkins Server, covering prerequisite Java installation, multiple deployment methods—including Tomcat, CentOS, macOS, Docker, Kubernetes, and Windows—followed by essential post‑installation configuration and resource links.
This guide explains why the standard cat command lacks syntax highlighting, introduces the ccat utility that adds colored output for many programming languages, and provides step‑by‑step installation instructions for Arch and other Linux distributions, along with practical usage examples and troubleshooting tips.
This guide walks through installing MySQL nodes, Java, and MyCat 1.6.5, configuring schemas, data nodes, sharding rules, adjusting ports, adding users, and verifying the MyCat service, providing complete code snippets and troubleshooting tips for a functional distributed database middleware setup.
This guide walks you through installing Node.js, creating a project directory, installing Cypress via npm, launching the tool, and understanding its default file structure, providing clear step‑by‑step instructions and screenshots for a smooth setup.
This article introduces Prometheus, covering its architecture, key features, data model, metric types, installation steps, integration with node_exporter and Grafana, and outlines suitable and unsuitable use cases for this open‑source monitoring system.
This guide introduces Django, a Python-based open‑source web framework, covering its definition, installation commands, key advantages, architecture, and the MVT design pattern to help developers decide if it fits their projects in modern development.
This article provides a detailed, Linux‑based tutorial for downloading, configuring, compiling, and installing PHP 8.0 Alpha on CentOS 7, including handling common configure errors, setting up PHP‑FPM, verifying the installation, and testing the new JIT feature with benchmark results.
This guide walks you through installing KubeSphere 2.1.1 on a Kubernetes cluster, covering prerequisites, Helm and Tiller setup, OpenEBS storage configuration, optional minimal or full installations, and verification steps, with detailed commands and tips for both online and air‑gapped environments.
This tutorial walks through installing Java (JRE/JDK), setting JAVA_HOME, installing Jenkins via apt or Docker, configuring Jenkins service and Nginx reverse proxy, handling common timezone and permission errors, and resetting the admin password, providing complete commands and configuration snippets for a functional CI/CD setup on Ubuntu.
This article provides a comprehensive tutorial on installing a single‑node Elasticsearch 7.x cluster, configuring its key settings, setting up the Elasticsearch‑head web UI, and includes a reference 6.x configuration file for production environments.
This article provides a comprehensive, hands‑on tutorial for installing GitLab on a CentOS 7 server and via Docker, covering prerequisite setup, dependency installation, repository configuration, SSL handling, service startup, first‑login procedures, and common troubleshooting tips.
