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How to Create an Offline Local Repository in RHEL Using the ISO (Complete Guide for VirtualBox Users)
If you’re running RHEL without a subscription or working in an isolated environment, creating a local offline repository from your RHEL ISO is the cleanest and most reliable solution. This guide walks you through mounting the ISO, configuring BaseOS and AppStream...
How to Create a Production‑Ready systemd Service for MongoDB on Linux (Step‑by‑Step Guide)
Creating a reliable, production‑grade MongoDB service on Linux requires proper systemd configuration, correct user permissions, and clean startup behavior. This guide walks you through building a fully functional mongod.service file that ensures MongoDB starts...
How to Create a Shared Folder Mount Point in Oracle VirtualBox on RHEL 8 (Offline Method)
Setting up shared folders in Oracle VirtualBox on RHEL 8 can be tricky, especially when working offline or without a Red Hat subscription. This guide walks you through a complete, step‑by‑step process to configure a shared mount point inside your VM, install...
MongoDB Migration to Azure VM
https://www.youtube.com/watch?v=GlgDknC6fH0 For more tutorials, please click on the LINK In this session, you will learn: ✅ Why MongoDB recommends restoring the backup to only one data‑bearing node ✅ Why Secondaries must always be rebuilt via initial sync ✅ Why...
MongoDB Replica Set with Arbiter Set up
https://www.youtube.com/watch?v=guWBZtIhxIU&list=PLOwxB_PX3s3WDyvExlRx3yhEnZcKzPy6Z&index=5 For more tutorials regarding MongoDB, please click on the LINK Manual Installation (Downloaded Files) — Linux 📌 Architecture Used Host Role Stores Data...
MongoDB FULL SETUP — REPLICA SET + OPS MANAGER (ALL SEPARATE VMs)
https://www.youtube.com/watch?v=_sYbuI4Nmio For more blogs on MongoDB, please click on the LINK VMs Used : VM Role IP Data Directory mongo1 Primary 192.168.190.10 /data/mongo mongo2 Secondary 192.168.190.20 /data/mongo mongo3 Arbiter 192.168.190.30...
MongoDB Ops Manager Explained | Automation, Monitoring, Backup, Security & Architecture
https://youtu.be/JwTRUc4dyA8 For more posts regarding MongoDB, please click on the LINK MongoDB Ops Manager is the enterprise‑grade, self‑hosted management platform for automating, monitoring, backing up, and securing MongoDB deployments. It is part of MongoDB...
MongoDB 5.0.23 Replica Set Setup (Offline / Air‑Gapped)
For more posts regarding MongoDB, please click on the LINK Overview This document provides stepbystep instructions to install and configure MongoDB version 5.0.23 in an offline (airgapped) environment on unregistered RHEL systems. The installation uses local RPM...
MongoDB Replica Set Setup Using YUM
For More posts related to MongoDB, click on the LINK https://www.youtube.com/watch?v=t17gydO99EY Overview This document provides step-by-step instructions to configure a MongoDB Replica Set using YUM on Linux systems (RHEL/CentOS/Rocky/Alma). The setup includes one...
Arbiter Theory
For more details on MongoDB, please click LINK 1️⃣ What is an Arbiter in MongoDB? An Arbiter is a special type of MongoDB replica‑set member that: ✅ Participates in elections✅ Has a vote❌ Does NOT store data❌ Can NEVER become Primary❌ Does NOT serve reads or writes In...



