MongoDB Installation, Configuration, and Operations Guide
Installation
MongoDB 5.0 Installation
Refer to the official documentation: https://docs.mongodb.com/manual/tutorial/install-mongodb-on-red-hat/
MongoDB 3.4 Installation (Tarball Method)
The yum repository for 3.4 is no longer available, so manual installation via tarball is required.
sudo groupadd mongod
sudo useradd -r -g mongod -s /sbin/nolog ...
Posted on Tue, 22 Sep 2026 16:51:54 +0000 by carlmcdade
Installing MySQL from tar.xz Package on Linux Systems
Determining System glibc Version
Before downloading MySQL, identify the glibc version installed on your system:
rpm -qa | grep glibc
Common versions include glibc 2.17 and glibc 2.28. Download the corresponding MySQL package from the official website that matches your system's glibc version.
Pre-Installation Checks
Removing Conflicting Package ...
Posted on Sun, 20 Sep 2026 16:23:19 +0000 by LostNights
Setting Up Docker Engine on Ubuntu 22.04 LTS
System Preparation and CleanupBefore initiating the installation of Docker Engine, it is crucial to remove any conflicting legacy packages that may exist on the system. This ensures a clean environment for the containerization tools.sudo apt-get remove docker docker-engine docker.io containerd runc
sudo apt-get updateInstalling DependenciesInst ...
Posted on Sat, 19 Sep 2026 16:35:56 +0000 by sufian
Installing Java Development Kit on Ubuntu 18.04
Start by downloading the Oracle JDK 8 archive (jdk-8u301-linux-x64.tar.gz) from the official website. Since Oracle requires authantication, the file is typically fetched on a local machine and transferred to the server via SCP or SFTP.
Log into the Ubuntu 18.04 server and place the archive in a temporary location, for example ~/downloads:
mkdir ...
Posted on Fri, 18 Sep 2026 16:06:45 +0000 by MastahUK
Redis Installation and Basic Configuration Guide
Redis Overview
Redis is a high-performance, open-source key-value database that operates entirely in-memory. Unlike traditional relational databases, Redis stores data as key-value pairs with support for various data structures, making it exceptionally versatile for caching, session management, real-time analytics, and message queue implementat ...
Posted on Sat, 12 Sep 2026 16:48:29 +0000 by Transmission94
DM8 Database Installation and Migration Practice
Prerequisites and Architecture
DM8 deployement tested on x86_64 with RedHat 7. Database migrations from Oracle (GBK) and MySQL (UTF-8) to DM8 were validated locally before moving to ARM architecture.
1. Environment Setup
User and Directory Creation
groupadd dinstall
useradd -g dinstall dmdba
echo "123456" | passwd "dmdba" -- ...
Posted on Sat, 12 Sep 2026 16:35:28 +0000 by Phoenixheart
Elasticsearch Installation and Configuration Guide
Installation Methods
Elasticsearch can be installed using several methods. This guide covers tarball, RPM, and Docker approaches.
1.1 Tarball Installation
Create a setup script to automate the installation process.
#!/bin/bash
# setup_es.sh
ES_INSTALL_DIR="/opt/elasticsearch"
ES_VERSION="7.9.2"
# Create installation dire ...
Posted on Mon, 07 Sep 2026 16:13:35 +0000 by tannerc
Installing MariaDB on CentOS 8
Remove existing MySQL/MariaDB packages
MySQL is no longer included in the CentOS 7 repository, and has been replaced by MariaDB.
1. Use rpm -qa | grep mariadb to find existing MariaDB packages:
If present, use rpm -e --nodeps mariadb-* to remove them:
[root@localhost ~]# rpm -qa | grep mariadb
mariadb-server-5.5.52-1.el7.x86_64
mariadb-libs-5.5 ...
Posted on Sun, 06 Sep 2026 16:51:04 +0000 by mr00047
Installing Arch Linux on VMware Workstation
Preparaiton and Installation
Obtain the Arch Linux ISO image from the official download page and create a new virtual machine in VMware Workstation.
Verify Network Connectivity
Check the network connection from the live environment.
ping -c 5 archlinux.org
Disk Partitioning and Formatting
First, list the available block devices to identify the ...
Posted on Sun, 06 Sep 2026 16:19:20 +0000 by CreativityLost
Node.js Installation Guide for Major Linux Distributions
Using Package Managers to Install Node.js
For CentOS/RHEL Systems
EPEL Repository Method (For Older Versions)
# Install EPEL repository
sudo yum install epel-release -y
# Install Node.js
sudo yum install nodejs -y
# Verify installation
node -v
# Complete uninstallation
sudo yum remove nodejs npm -y
sudo yum clean all
NodeSource Repositor ...
Posted on Thu, 03 Sep 2026 16:52:24 +0000 by flhtc