MongoDB is a NoSQL database that provides high performance, high availability, and easy scalability. In this guide, we will walk you through the steps to install MongoDB on AlmaLinux 8.

Step 1: Update Your System

Start by ensuring your system is up to date:

sudo dnf update -y

Step 2: Add the MongoDB Repository

Create a file for the MongoDB repository:

echo "[mongodb-org-5.0]
name=MongoDB Repository
baseurl=https://repo.mongodb.org/yum/redhat/8/mongodb-org/5.0/x86_64/
gpgcheck=1
enabled=1
gpgkey=https://www.mongodb.org/static/pgp/server-5.0.asc" | sudo tee /etc/yum.repos.d/mongodb-org-5.0.repo

Step 3: Install MongoDB

Now, install MongoDB using the following command:

sudo dnf install -y mongodb-org

Step 4: Start and Enable MongoDB

Start the MongoDB service and enable it to start at boot:

sudo systemctl start mongod
sudo systemctl enable mongod

Step 5: Verify the Installation

Check the status of the MongoDB service to ensure it is running:

sudo systemctl status mongod

Step 6: Secure MongoDB

By default, MongoDB is not secured. To secure it, first enable authentication. Edit the MongoDB configuration file:

sudo nano /etc/mongod.conf

Add the following lines to the configuration file:

security:
  authorization: "enabled"

Save and exit the editor, then restart MongoDB:

sudo systemctl restart mongod

Step 7: Create an Admin User

Connect to the MongoDB shell:

mongo

Run the following commands to create an admin user:

use admin
db.createUser({user: "admin", pwd: "your_password", roles: [{role: "userAdminAnyDatabase", db: "admin"}]})

Replace your_password with a strong password.

Conclusion

You have successfully installed MongoDB on AlmaLinux 8. This powerful database can now be used for various applications.

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