Linux MongoDB Guide

Linux MongoDB Guide

Complete beginner-friendly guide to MongoDB on Linux, covering Arch Linux, CachyOS, and other distributions including installation, configuration, and database management.

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Table of Contents

1. MongoDB Installation
2. MongoDB Configuration
3. MongoDB Usage
4. Troubleshooting

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MongoDB Installation

Install MongoDB

Arch/CachyOS:

# Install MongoDB
yay -S mongodb-bin

# Or community edition
yay -S mongodb

Debian/Ubuntu:

# Add MongoDB repository
wget -qO - https://www.mongodb.org/static/pgp/server-7.0.asc | sudo apt-key add -
echo "deb [ arch=amd64,arm64 ] https://repo.mongodb.org/apt/ubuntu focal/mongodb-org/7.0 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-7.0.list
sudo apt update
sudo apt install mongodb-org

Fedora:

# Add MongoDB repository
# Download from mongodb.com

Enable Service

Start MongoDB:

# Enable and start service (recommended method)
sudo systemctl enable --now mongodb

# Check status
systemctl status mongodb

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MongoDB Configuration

MongoDB Shell

Connect to MongoDB:

# Launch MongoDB shell
mongosh

# Or mongo (older versions)
mongo

Create Database

Create database:

// In MongoDB shell
use mydb

// Insert document
db.collection.insertOne({name: "example"})

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MongoDB Usage

Basic Operations

CRUD operations:

// Create
db.collection.insertOne({key: "value"})

// Read
db.collection.find()

// Update
db.collection.updateOne({key: "value"}, {$set: {new: "data"}})

// Delete
db.collection.deleteOne({key: "value"})

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Troubleshooting

MongoDB Not Starting

Check service:

# Check status
systemctl status mongodb

# Check logs
journalctl -u mongodb

# Check data directory
ls -la /var/lib/mongodb

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Summary

This guide covered MongoDB installation, configuration, and usage for Arch Linux, CachyOS, and other distributions.

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Next Steps

• Database Servers - Database setup
• Development Environment - Development
• MongoDB: https://www.mongodb.com/

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This guide covers Arch Linux, CachyOS, and other Linux distributions. For distribution-specific details, refer to your distribution's documentation.