This guide walks through setting up a two‑node RocketMQ cluster with dual master‑slave asynchronous replication, covering host role assignment, configuration file edits, binary deployment, memory tuning, and the exact commands to start NameServers, master brokers, and slave brokers.
This article walks through Easysearch’s built‑in CCR feature, explaining why cross‑cluster replication is needed, how to set up two single‑node clusters locally, configure security, create a leader index, start replication, monitor status, and avoid common pitfalls.
This guide walks through preparing two CentOS 7.9 servers, installing Docker and Kubernetes 1.19 components, initializing a master node, joining a worker node, and validating the cluster with a sample Nginx deployment, including common troubleshooting tips.
This tutorial walks through preparing three CentOS 7 hosts, installing Docker, configuring kubeadm, initializing a Kubernetes master, troubleshooting common errors, adding worker nodes, installing a CNI plugin, testing the cluster with an Nginx deployment, and provides essential kubectl commands for ongoing management.
This guide walks through planning a three‑node Hadoop 3.3.5 cluster, explains default and custom configuration files, details core‑site, hdfs‑site, yarn‑site, and mapred‑site settings, shows how to distribute configs, start HDFS and YARN, and perform basic file‑system tests.
This guide walks you through preparing Linux machines, configuring system settings, installing Docker and Kubernetes components with kubeadm, initializing a master node, deploying a pod network, joining worker nodes, and verifying the cluster, providing a complete step‑by‑step tutorial for building a Kubernetes cluster.
This comprehensive tutorial walks you through setting up a three‑node Hadoop 3.3.4 and Spark 3.3.1 environment on CentOS 7 virtual machines, covering system preparation, JDK and Scala installation, Zookeeper configuration, Hadoop and Spark deployment, and verification with practical command‑line examples.
This guide walks developers through the evolution from physical and virtual deployments to containerization, explains Kubernetes architecture and core components, demonstrates building a one‑master‑two‑node cluster with kubeadm and Flannel, and details resource management using YAML with imperative and declarative kubectl commands.
This tutorial walks through planning roles, preparing the environment, configuring KRaft, formatting storage, and launching a Kafka 3.0 cluster with scripts for both startup and graceful shutdown, providing all commands and explanations needed for a production-ready setup.
This article provides a detailed, step-by-step tutorial for installing Hadoop 2.9.2, configuring environment variables, editing XML configuration files, formatting the NameNode, starting HDFS and YARN services, testing the cluster, and setting up the MapReduce history server on a three‑node Linux environment.
This tutorial walks you through installing the Aerospike NoSQL database, tuning Linux system parameters, configuring a three‑node cluster, performing basic AQL operations, and setting up AMC monitoring, all within roughly ten minutes of setup time.
This guide walks you through preparing three Ubuntu 18.04 machines, building the yurtctl tool from the OpenYurt source, and using its init and join commands to create a control‑plane node, add cloud‑node and edge‑node workers, and verify component status in a fully functional OpenYurt cluster.
This tutorial walks through preparing three CentOS 7.6 nodes, disabling firewalls and SELinux, configuring sysctl and ipvs, installing containerd and its dependencies, generating containerd and kubeadm configurations, initializing the control plane, adding worker nodes, deploying the Flannel CNI plugin and Kubernetes Dashboard, and finally cleaning up the cluster.
This tutorial walks through preparing three Linux VMs, disabling firewalls and swap, configuring sysctl, installing Docker and Kubernetes components, initializing the master node, joining worker nodes, deploying the Flannel CNI plugin, creating a test nginx pod, and accessing it via a NodePort service.
This guide walks you through preparing a CentOS 8 environment, installing JDK, Zookeeper and Kafka, configuring each service with proper data directories and ports, and automating startup using shell scripts for a three‑node Zookeeper cluster and a three‑node Kafka cluster.
This guide walks participants through creating a high‑availability MySQL Plus cluster, configuring automatic disk expansion, shutting down via API, and setting up a QKE KubeSphere cluster with Harbor registry and a custom Kubernetes plugin, using QingCloud’s cloud platform resources.
This tutorial walks through preparing the hostnames and /etc/hosts entries, generating a root CA and node certificates with cfssl, distributing those certificates, installing and configuring kubectl, creating admin credentials and kubeconfig, and finally deploying an etcd cluster with systemd units on a multi‑node Kubernetes environment.
This tutorial provides a complete walkthrough for downloading Hadoop 2.8.2, setting up a three‑node master‑slave cluster, configuring core, HDFS, MapReduce and YARN settings, creating required directories, distributing the installation, starting the services, verifying the cluster status, and finally shutting it down.
This guide walks through downloading Apache Flume, setting up a master‑slave cluster, and configuring NetCat, Exec, and Avro sources with corresponding sinks and memory channels, including verification commands to ensure the agents run correctly.
This guide walks through preparing three CentOS servers—configuring hostnames, disabling firewalls and swap, setting up Docker and Kubernetes repositories, installing Docker and Kubernetes components, adjusting kernel parameters, and finally initializing the Kubernetes master with kubeadm before joining worker nodes.
This tutorial walks through preparing the environment, installing Docker‑CE 18.09.9, configuring prerequisite settings, deploying Kubernetes v1.16.0 master and node components, initializing the cluster, retrieving join commands, and finally installing Flannel networking to achieve a ready‑state cluster on CentOS 7 virtual machines.
This step‑by‑step guide shows how to prepare five CentOS 7.5+ machines, configure hostnames, SSH keys, kernel upgrades, firewall and swap settings, set up Docker and Kubernetes repositories, install Docker, kubeadm, kubelet and kubectl, configure HAProxy + Keepalived for a VIP, initialize a multi‑master cluster, apply the Flannel network plugin, and verify the deployment with an Nginx pod and the Kubernetes dashboard.
This step‑by‑step guide shows how to prepare five CentOS 7 machines, configure hostnames, set up password‑less SSH, upgrade the kernel, disable firewalls and swap, tune sysctl, add Docker and Kubernetes repositories, install Docker, install kubeadm/kubelet/kubectl, configure HAProxy and Keepalived for a virtual IP, join master and worker nodes, deploy a flannel network plugin, and finally verify the cluster with an nginx pod and the Kubernetes dashboard.
This article introduces Consul, an open‑source service discovery and configuration tool, and provides step‑by‑step instructions for installing the binary, configuring services, using the web UI, managing KV data, integrating with Java, and building a multi‑node Consul cluster.
This comprehensive tutorial walks you through preparing three CentOS 7.5 machines, disabling firewalls and swap, installing Docker and Kubernetes components with yum repositories, configuring the master node, joining worker nodes, deploying Flannel networking, setting up the Kubernetes dashboard, and troubleshooting common issues.
This article provides a comprehensive, hands‑on tutorial for preparing three VMs, installing JDK and Hadoop, configuring core‑site.xml, hdfs‑site.xml, mapred‑site.xml, yarn‑site.xml, setting environment variables, distributing the package, starting HDFS and YARN, and verifying the cluster via web UI and jps commands.
This tutorial walks through building a production‑grade Kubernetes cluster on CentOS by provisioning five virtual machines, configuring networking and DNS, generating TLS certificates with cfssl, installing Docker, setting up a private Harbor registry, and deploying core Kubernetes components such as etcd, kube‑apiserver, controller‑manager, scheduler, kubelet and kube‑proxy with full supervision and health checks.
This tutorial walks you through setting up a three‑node Hadoop 2.9.2 cluster on CentOS 7.5, covering environment preparation, password‑less SSH, user creation, JDK installation, Hadoop extraction, configuration file edits, directory setup, ownership changes, service startup, and verification via web UIs.
This article walks through the entire process of installing and configuring a TiDB cluster using Ansible, covering component overview, environment preparation, detailed deployment commands, common pitfalls, and verification steps to help readers avoid common mistakes.
This tutorial walks you through preparing a CentOS system, installing Docker CE, configuring Docker mirrors, setting up kubelet, kubeadm and kubectl packages, adjusting cgroup settings, initializing a Kubernetes master node, joining worker nodes, deploying Flannel networking, and troubleshooting common issues, all with exact command examples.
This guide provides a comprehensive, command‑by‑command procedure for preparing a CentOS system, installing Docker and Kubernetes components, configuring networking and security settings, and deploying both master and worker nodes along with the Kubernetes Dashboard.
This article provides a comprehensive, language‑agnostic tutorial on building a highly available Hadoop cluster, covering HDFS and YARN HA architectures, QJM shared storage, required components, configuration files, installation commands, startup procedures, verification steps, and troubleshooting references.
This article provides a step‑by‑step tutorial on configuring Hadoop high availability, covering HDFS HA architecture, Quorum Journal Manager synchronization, NameNode failover, YARN HA, required pre‑conditions, cluster planning, configuration files, service startup, and verification procedures.
This tutorial walks you through installing essential tools on CentOS, setting up Docker CE, configuring kubelet and kubeadm packages, initializing a Kubernetes master node, joining worker nodes, installing Flannel networking, and troubleshooting common issues, providing all commands and configuration steps needed for a functional cluster.
This tutorial walks through setting up a Nacos cluster for production, covering MySQL data source initialization, cluster configuration files, local multi‑instance testing, deployment on separate nodes, Nginx reverse‑proxy setup, and common troubleshooting steps.
This tutorial walks you through the complete process of manually installing a Kubernetes 1.9.9 master‑worker cluster on CentOS 7, covering environment preparation, binary downloads, configuration of etcd and Kubernetes components, creation of systemd services, and verification of the deployment.
This tutorial walks you through setting up a three‑node Apache Storm cluster on CentOS 6.9, covering hostname configuration, firewall disabling, Zookeeper preparation, Storm installation, startup of Nimbus, UI and supervisors, and finally submitting a sample topology.
This step‑by‑step guide shows how to install and configure Apache Kafka and Zookeeper on Ubuntu Server, covering single‑node setup, a pseudo‑cluster with multiple brokers, and a full distributed cluster across several machines, including topic creation, producer/consumer testing, and essential configuration tweaks.
This article provides a comprehensive, step-by-step tutorial for setting up a high‑availability Hadoop cluster, covering user creation, JDK installation, host configuration, SSH setup, firewall and SELinux adjustments, Zookeeper deployment, HDFS and YARN HA configuration, essential XML files, and failover testing.
This guide walks you through installing Docker, configuring a Chinese accelerator, pulling the official Storm Docker image, and using Docker commands to launch both a local Storm instance and a minimal multi‑node cluster with Nimbus and Supervisor, all in under ten minutes.
This tutorial walks you through preparing three Linux servers, configuring password‑less SSH, installing Hadoop 2.7.3, editing core XML files, distributing the installation, starting the services, and verifying HDFS and MapReduce functionality with practical commands and screenshots.
This article provides a comprehensive, hands‑on tutorial for setting up a Hadoop 2.6.4 cluster on a CentOS 6.5 development server, covering SSH password‑less login, user/group creation, DNS configuration, JDK installation, environment variables, Hadoop installation, HDFS and YARN configuration, and troubleshooting native library warnings.
This step‑by‑step guide shows how to install Zookeeper on three Linux servers, configure the ensemble with proper data directories and server IDs, start the services, verify their status, and perform basic client operations to confirm the cluster works correctly.
This article introduces Kubernetes fundamentals, explains core concepts such as containers, clusters, pods, services, and labels, and provides a detailed, step‑by‑step guide for setting up a simple Kubernetes cluster on Ubuntu using VirtualBox and Vagrant.
This article walks through the essential steps to install and configure Hadoop 2.0 on a two‑node Linux cluster, covering version selection, directory setup, core XML files, YARN settings, service startup, verification commands, and basic troubleshooting tips.
