This article provides a comprehensive overview of OpenStack's architecture, details each core service with its role, and walks through step‑by‑step commands to configure a functional OpenStack Pike environment on CentOS, including networking, database, messaging, and storage components.
This tutorial walks you through preparing a CentOS 7.4 system, installing MariaDB, configuring Zabbix 3.4.6 (including repository setup, database creation, service startup, PHP timezone adjustment, and web UI deployment), and verifies the monitoring platform is fully operational.
This guide walks you through installing a Kubernetes (K8S) cluster on CentOS 7.3 in China, covering environment preparation, downloading required packages and images via local mirrors, configuring Docker and the network, initializing the master node with kubeadm, joining worker nodes, and optionally deploying the dashboard and flannel network plugin.
This guide walks you through downloading and configuring Elasticsearch 5.6.9, setting system limits, creating indices, inserting and deleting documents, executing complex aggregation queries via HTTP, and integrating Elasticsearch with Java using the Transport client for powerful data analysis.
This article provides a detailed, command-line tutorial for installing MySQL 5.7 on a Linux system, covering directory creation, downloading and extracting the binary package, user setup, initialization, configuration file adjustments, service startup, and password configuration.
This article introduces MongoDB, an open-source document-oriented database, outlines its key features such as indexing, sharding, and MapReduce, and provides step-by-step instructions for installing and running MongoDB on a system using Homebrew, along with basic shell commands.
This guide details the required system environment, download sources, and step‑by‑step offline file preparation for installing Cloudera's CDH 5.14 on a CentOS 6.7 server, including JDK, parcels, and MySQL connector setup.
This article provides a detailed, step‑by‑step tutorial for downloading, installing, and configuring the FileZilla FTP client and server on Windows, including screenshots of each installation stage and tips for creating desktop shortcuts and launching the program.
This guide provides step‑by‑step instructions for installing Zabbix 3.4 on RHEL 7, including repository setup, server, proxy and web‑frontend installation, MySQL database preparation, PHP configuration, service startup, and firewall adjustments.
This guide explains how to set up a Linux virtual machine on macOS with VMware Fusion, install Zabbix 3.4 along with its dependencies (MySQL, Redis), and configure the various Zabbix components, monitoring methods, and active/passive modes for comprehensive system monitoring.
This step‑by‑step guide walks you through setting up the ELK stack on CentOS 6, covering Elasticsearch repository configuration, Java installation, Elasticsearch tuning, Logstash pipelines, Kibana deployment, Redis integration, and practical log collection for system, Apache, Nginx, and MySQL logs.
This guide explains how to install Ansible via yum or pip, outlines its directory layout, describes host inventory setup, details SSH key configuration for password‑less access, and introduces common modules such as ping for basic connectivity testing.
This guide walks you through installing Spring Boot CLI on Windows, macOS, or Linux, verifying the installation, and quickly building a simple web application using a Groovy script, complete with command‑line examples and expected output.
This document provides a comprehensive step-by-step guide to installing and configuring Redis on Linux and macOS, covering package download, compilation, service setup, and operational configuration.
This article introduces Docker as an open‑source container engine, explains how it differs from traditional virtual machines, outlines its advantages, shows its relationship with micro‑services, and provides step‑by‑step installation and common command examples for getting started.
This tutorial provides a comprehensive, step-by-step procedure for setting up a complete LNMP stack on CentOS, covering environment preparation, removal of conflicting packages, compilation and installation of MySQL 5.6.17, PHP 5.6.32, Nginx 1.8.0, and their integration with detailed configuration and firewall adjustments.
This tutorial walks you through every stage of installing CentOS 7.4 in a virtual machine—from mounting the ISO and configuring manual partitions to setting the root password and completing the first boot—providing clear instructions and screenshots for each step.
This guide walks through the most frequently used Linux installation and login commands—such as login, shutdown, halt, reboot, install, mount, umount, chsh, exit, last, file, mkdir, grep, dd, find, mv, ls, diff, cmp, cat, and ln—detailing their purpose, syntax, key options, and practical examples for effective system administration.
This guide walks readers through installing openSUSE Linux alongside Windows, setting up partitions, choosing a desktop environment, and customizing GNOME with useful extensions and software, while explaining why many developers prefer Linux for development and everyday use.
This tutorial provides a step‑by‑step walkthrough for setting up Apache RocketMQ 4.2 on a 64‑bit Linux system, covering environment prerequisites, downloading source, building binaries, starting NameServer and Broker, sending and receiving messages, and shutting down the services.
This comprehensive guide introduces MySQL fundamentals, walks through installation on Windows and Linux, explains core commands for connecting, creating databases, managing users and privileges, performing table CRUD operations, handling data types, and provides a curated list of analysis, backup, performance, HA, and GUI tools for MySQL.
This guide walks you through downloading, installing, and configuring Python and the PyCharm IDE on Windows, covering everything from selecting the correct installer and adding Python to your system PATH to customizing PyCharm settings and essential shortcuts for a smooth development start.
FastDFS is an open‑source lightweight distributed file system written in C, designed for high‑availability file storage and load balancing; this article explains its differences from Hadoop, details its Tracker and Storage architecture, outlines file upload/download workflows, and provides step‑by‑step instructions for installing and configuring FastDFS, Nginx, and related components.
This tutorial walks you through installing Elasticsearch, understanding its core concepts such as nodes, clusters, indexes, documents and types, configuring Chinese analyzers, performing CRUD operations, and executing various search queries with practical command‑line examples.
This guide walks you through downloading the Anaconda installer, running the setup, configuring the environment on Windows, and using the Anaconda Prompt to manage packages and launch Spyder, all illustrated with clear screenshots and command examples.
This article provides a comprehensive, from‑scratch tutorial on installing Elasticsearch, explaining core concepts such as nodes, clusters, indices, documents, and types, and demonstrates how to create, delete, update, and query data—including Chinese tokenization—using command‑line curl requests.
This step‑by‑step guide shows how to install Nutanix's Docker Volume Plug‑in (DVP), configure iSCSI connectivity, create persistent volumes in Docker Swarm, deploy Docker Datacenter components, and run an ownCloud service backed by Nutanix storage.
This article introduces RabbitMQ's role in distributed systems, explains the AMQP protocol, provides step‑by‑step Ubuntu installation commands, and details essential objects such as messages, producers, consumers, queues, exchanges, bindings, routing keys, and exchange types.
This guide compiles the most frequent problems encountered when installing the TDH Community Edition—such as hostname configuration, logical volume creation errors, service startup failures, firewall settings, and license issues—and provides clear step‑by‑step solutions to help users avoid and resolve these obstacles.
This guide walks you through preparing a Linux host, installing JDK, Maven, MySQL, downloading CacheCloud, configuring its database and properties, building the project, deploying the web service, and using the UI to add machines and create or import Redis clusters.
This guide walks through preparing three CentOS 6.9 nodes, configuring hostnames, time sync, password‑less SSH, disabling IPv6, installing JDK, downloading CDH 5.4, setting up core‑site and hdfs‑site XML files, formatting the NameNode, starting HDFS services, configuring YARN and MapReduce, and verifying the installations via the Web UI.
This article provides a comprehensive, hands‑on tutorial for setting up a CentOS 6.8 server with NVIDIA GPUs, installing Java 8, GCC 4.9.4, Python 2.7, NVIDIA drivers, CUDA 8.0, cuDNN 6.0, Bazel, and finally building and verifying TensorFlow 1.3.0 from source, while documenting common pitfalls and fixes.
This step‑by‑step guide shows how to install Grafana 4 on a Linux server, configure it to start on boot, add required fonts, install the Grafana‑Zabbix and clock‑panel plugins, and create a dashboard that visualizes Zabbix metrics such as memory usage.
This article provides a comprehensive guide to Redis, covering installation steps, core data structures such as strings, hashes, lists, sets and sorted sets, and advanced capabilities like pub/sub, transactions, pipelining, and persistence, plus practical client examples and a summary of its performance advantages.
This step‑by‑step guide shows how to install MySQL 5.6, set up PHP 5.6 with Apache, and configure WordPress 3.9 on a CentOS 6 server, including database creation, wp‑config adjustments, and final file permissions.
This guide walks you through installing Zookeeper and Kafka on a CentOS server, configuring essential settings, creating topics, and running producers and consumers, while highlighting common pitfalls and providing the exact commands needed for a successful deployment.
NetEase MusicBox is a Python‑based command‑line music player offering high‑quality 320kbps streaming, extensive playlist features, customizable keyboard shortcuts, and cross‑platform installation guides for macOS, Linux distributions, and PyPI, with detailed configuration and troubleshooting information.
This guide presents a comprehensive list of recommended Ubuntu applications—including daily utilities, system tools, development environments, and terminal utilities—along with brief descriptions and one‑line installation commands to help Linux users quickly set up a productive workspace.
BeeGFS is a GPL‑licensed parallel file system for Linux that offers scalable storage through a modular architecture of management, metadata, and object storage servers, supports a wide range of hardware and OS platforms, and provides detailed installation, configuration, and performance‑tuning guidance including the BeeOND burst‑buffer extension.
This article provides a comprehensive overview of the MariaDB Spider storage engine, covering its architecture, advantages, disadvantages, common DBA scenarios, installation steps, practical sharding examples, and performance testing guidance for distributed MySQL databases.
This comprehensive SQLite tutorial walks beginners through what SQLite is, how to install it on Windows and Linux, essential syntax, CRUD operations, database objects, functions, and language-specific programming interfaces, providing step‑by‑step instructions and visual aids for practical mastery.
This step‑by‑step guide shows how to install JumpServer 3.0, an open‑source Python bastion host, on CentOS 6.5, configure its dependencies, database, web interface, user and asset management, and secure it with an Nginx reverse proxy.
This tutorial walks through downloading MySQL 5.7, creating a dedicated user and group, extracting the package, initializing the database with the new mysqld --initialize command, configuring my.cnf, setting up service auto‑start, and securing the root account and remote access on a CentOS 6 server.
This guide walks through installing Nginx on CentOS 6, configuring its main file, setting up multi‑domain virtual hosts, implementing 301 redirects, adding custom 404 pages, and blocking direct IP access, all with practical command examples and configuration snippets.
This article walks you through the complete installation process for Scrapy, the Python-based web crawling framework, covering prerequisite Python setup, required dependencies like lxml, setuptools, zope.interface, Twisted, pyOpenSSL, win32py, and finally verifying the installation, preparing you for large‑scale data extraction tasks.
Learn how to store, retrieve, and manipulate JSON data in Redis using the ReJSON module, covering basic commands, advanced field operations, numeric updates, and step‑by‑step installation on Redis 4.0+, with practical code examples and configuration instructions.
This article provides a comprehensive, step‑by‑step tutorial on installing and configuring Search Guard for Elasticsearch, covering feature overview, version compatibility, downloading required packages, local installation commands, SSL/TLS certificate generation, and detailed security settings to protect both transport and REST layers.
This article explains HAProxy’s role as a free, open‑source Linux load balancer, compares Layer 4 (TCP) and Layer 7 (HTTP) balancing, discusses SSL handling, and provides detailed installation and configuration steps—including package and source builds, global settings, defaults, and health‑check options.
This article introduces Elasticsearch as a reliable open‑source search and analytics engine, explains its key concepts such as clusters, nodes, indexes, types and documents, walks through installation steps, and demonstrates essential CRUD operations using RESTful curl commands.
This article explains the concept of centralized logging, introduces the ELK stack (Elasticsearch, Logstash, Kibana), compares it with other log solutions, and provides a detailed, cross‑platform installation and configuration guide for Ubuntu 14.04 and CentOS 7.1, including SSL setup and Nginx reverse‑proxy.
This guide walks through installing a private GitLab server using Docker, covering image retrieval, container launch with port and volume mappings, external URL configuration, initial setup, project creation, and client-side testing with Git commands to verify the deployment.
This guide walks through the complete installation, configuration, and integration of the ELK stack components—Logstash, Redis, Elasticsearch, and Kibana—providing command‑line examples, configuration snippets, testing procedures, and visual verification using Kibana and the Kopf plugin.
This guide walks you through downloading Python, installing it on Unix/Linux, Windows, and macOS, configuring essential environment variables, and running Python via the interpreter, scripts, or an IDE, providing step‑by‑step commands and tips for a smooth setup.
This step‑by‑step guide walks you through installing Kafka, starting a single‑node broker, producing and consuming messages, configuring a multi‑node cluster with replication, testing fault tolerance, and using Kafka Connect to import and export data between files.
MariaDB Columnstore, the newly integrated InfiniDB storage engine, brings column‑store analytics to MySQL, offering P‑scale data handling, distributed deployment, and impressive performance gains over InnoDB, with detailed installation steps, kernel tuning, command‑line administration, and optimization tips for production environments.
This article provides a comprehensive guide to Zookeeper, covering its purpose in distributed systems, step‑by‑step installation for both standalone and cluster modes, detailed configuration options, core data model, essential Java APIs, and typical scenarios such as naming service, configuration management, leader election, locks, and queue handling.
This guide walks you through the fundamentals of Nexus—its purpose as a Maven repository manager, the structure of local, remote, and central repositories, step‑by‑step installation, essential configuration files, Maven settings integration, artifact deployment, and verification of a fully functional private Maven repository.
This comprehensive guide walks you through MySQL's features, table size limits, Linux installation methods, source compilation, post‑install security hardening, character‑set management, engine selection, essential commands, and password recovery techniques for robust database administration.
This guide walks you through downloading, installing, cracking, and configuring the WeChat Mini Program development tool on Windows, showing how to replace necessary files, log in, create a simple project, and debug it using the built‑in simulator.
This guide explains the remote monitoring principle of Nagios using NRPE, then walks through installing Nagios‑plugins and NRPE on both the monitored host and the Nagios server, configuring host and service definitions, and verifying communication through the web interface.
This guide introduces MySQL Utilities, demonstrates how to configure master‑slave replication in seconds using the mysqlreplicate command, explains required user creation, showcases additional tools like mysqldiskusage and mysqlindexcheck, and provides installation and download instructions.
This guide explains what MaxScale is, its plugin architecture, and provides step‑by‑step instructions to install, configure, start, and test MaxScale for MySQL read/write splitting and load balancing in a master‑slave cluster.
This guide explains how to download, install, and configure Docker on Windows 10 and macOS, covering prerequisites, enabling Hyper‑V, running the installer, adjusting memory settings, and basic Docker commands such as checking info, running hello‑world, launching Ubuntu and Nginx containers, and viewing running containers.
This article walks through eight frequent Oracle RAC installation errors—ranging from shared‑disk configuration and s0 partition misuse to VIP interface issues and ASM disk reuse—providing clear command‑line fixes and configuration tips for Linux administrators.
Learn how to quickly set up an isolated MySQL 5.7.13 instance using Docker containers, covering environment installation, image pulling, container launch with port mapping, copying the MySQL package, installing inside Ubuntu, and connecting from the host, all without affecting existing services.
This guide walks through the complete installation of Oracle Enterprise Manager Grid Control 11g on Red Hat 6.4, detailing the required software packages, configuration parameters, and step‑by‑step solutions to more than a dozen encountered errors—from missing 32‑bit libraries to hostname validation, file‑descriptor limits, and agent cleanup.
A step‑by‑step guide shows how to download the binary tarball, extract it, create the mysql user, initialise the data directory, configure files, set environment variables, enable auto‑start, start the service, and secure the root account on a CentOS 6.4 system.
This tutorial walks you through configuring the PATH, editing my-default.ini, installing the MySQL service, initializing and starting it, managing the service, and resetting the root password on a Windows machine using MySQL 5.7.12 (64‑bit).
This article explains the problems of manual mobile web page load testing, introduces STF and its Minicap screenshot tool, details their features, installation prerequisites, step‑by‑step setup commands, and demonstrates how to run and access STF for automated, low‑latency testing.
This guide walks through the complete installation of GitLab on a Debian system, covering package installation, Ruby and Go setup, system user creation, database configuration, Redis setup, cloning the source, configuring GitLab, initializing the database, and starting the service.
This guide walks you through installing Docker on Ubuntu, covering supported versions, system prerequisites, kernel checks, step‑by‑step installation commands, verification, and explains how Docker integrates with Huawei's eSDK storage via Unicorn Hub.
This guide walks you through the fundamentals of big‑data characteristics, the challenges of log management for small‑scale operations, and provides a detailed, step‑by‑step tutorial for installing and configuring the ELK stack (Elasticsearch, Logstash, Kibana) on a CentOS 6.6 server, including all required dependencies.
This article walks through installing Elasticsearch on Ubuntu, adding the IK Chinese analyzer plugin, configuring synonym filters, and using the official Node.js client to create indices, mappings, and perform full‑text searches with custom analyzers and highlighting.
This technical session covers Oracle RAC high‑availability best practices, installation steps, daily operational commands, detailed case studies of auto‑start checks, version‑mix issues, addNode failures, network heartbeat problems, and client connection errors, plus a concise Q&A on uninstall, SCAN vs VIP, and split‑brain detection.
This guide walks through ElasticSearch fundamentals, core concepts, step‑by‑step installation, Python indexing examples, index‑level tuning, and memory‑usage optimizations, providing practical tips for deploying and maintaining a high‑performance search cluster.
This article provides a comprehensive tutorial on installing the Clip Server (Apache, PHP, MySQL), configuring its virtual host, setting up the Clip SDK with Python, and using various Clip commands to manage IP relationships, all illustrated with command examples and screenshots.
This guide explains what zkdash is, provides step‑by‑step installation and setup instructions, details its configuration file options, shows how to integrate with QConf, and highlights important usage notes for managing Zookeeper clusters.
This step‑by‑step guide shows how to completely remove any existing MySQL installation on Linux, reinstall it, and correctly configure the server and client character sets to UTF‑8, including version‑specific settings and verification.
This guide walks through testing Nginx configuration, starting the server, understanding its load‑balancing architecture, installing from source with required dependencies, handling common build errors, reviewing the final configuration summary, and creating a Linux init script for reliable service management.
This guide walks you through installing Splunk on Linux or Windows, configuring automatic startup, indexing diverse log sources, and using Splunk’s powerful search, Boolean operators, and timeline features to troubleshoot and analyze system and network logs efficiently.
This guide explains how Redis 3’s native clustering works, details the hash‑slot mechanism, and provides step‑by‑step instructions for installing Redis and its Ruby dependencies, configuring multiple nodes, creating a six‑node cluster, and testing key distribution across the cluster.
This article provides a concise, practical walkthrough for installing and configuring Apache Hive on a Hadoop cluster, covering prerequisite HDFS and MapReduce setup, downloading Hive, extracting files, setting environment variables, configuring XML files, starting Hive, and verifying the installation with simple commands.
This guide explains key concepts of open source, compilation, and executables, then details the configure‑make‑install workflow and provides a step‑by‑step tutorial for compiling, installing, configuring, and testing Nginx from source on a Linux system.
This article provides a comprehensive, hands‑on tutorial for installing Varnish on CentOS, configuring its caching behavior with VCL, and customizing backend definitions, complete with command‑line examples and a detailed explanation of each VCL function.
The article details the official CentOS 7.0.1406 64‑bit release announced on July 7, 2014, highlighting kernel upgrades, container support, default JDK, installation media options, verification steps, major changes, downgrade options, known issues, and where to obtain source code and ISO images.
