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Install MongoDB on CentOS Stream 9/RHEL 9

Update System Packages​

To ensure your system has the latest updates, run the following command to update all installed packages:

sudo yum update -y

Add MongoDB Repository​

Create a mongo.repo file in the /etc/yum.repos.d/ directory to add the MongoDB repository. Use your preferred text editor (e.g., gedit) to create and edit the file:

sudo gedit /etc/yum.repos.d/mongodb-org-6.0.repo

Add the following content to the file:

[mongodb-org-6.0]
name=MongoDB Repository
baseurl=https://repo.mongodb.org/yum/redhat/8/mongodb-org/6.0/x86_64/
gpgcheck=1
enabled=1
gpgkey=https://www.mongodb.org/static/pgp/server-6.0.asc

This configuration allows yum to fetch MongoDB packages from the specified repository.

Install MongoDB Database​

Install MongoDB on your system using the following command:

sudo yum install -y mongodb-org

This command installs the MongoDB package along with its dependencies.

Start MongoDB Service​

To start the MongoDB service, execute the following command:

sudo systemctl start mongod

If there are any errors, it's recommended to reload the systemd daemon to ensure proper service management:

sudo systemctl daemon-reload

Enable MongoDB Service​

Enable the MongoDB service to start automatically on system boot:

sudo systemctl enable mongod

This ensures that MongoDB starts up whenever the system boots up.

Access MongoDB Shell​

To access the MongoDB shell and interact with the MongoDB database, simply run:

mongosh

This opens the MongoDB shell where you can execute commands and queries.

Uninstall MongoDB Database​

If you need to uninstall MongoDB, follow these steps: Stop the MongoDB service:

sudo systemctl stop mongod

Remove MongoDB packages:

sudo yum erase $(rpm -qa | grep mongodb-org)

This command removes all MongoDB-related packages from your system. Remove MongoDB log files:

sudo rm -rf /var/log/mongodb

Remove MongoDB data:

sudo rm -rf /var/lib/mongo

These commands remove MongoDB log files and data directories to clean up your system completely from MongoDB-related files.