MongoDB Documentation, Release 3.0.4 Run MongoDB Enterprise Uninstall MongoDB 40 Chapter 2. Install MongoDB The MongoDB instance stores its data files in /var/lib/mongodb and its log files in /var/log/mongodb by default, and runs using the mongodb user account. You can specify alternate log and data file directories in /etc/mongod.conf . See systemLog.path and storage.dbPath for additional information. If you change the user that runs the MongoDB process, you must modify the access control rights to the /var/lib/mongodb and /var/log/mongodb directories to give this user access to these directories. Step 1: Start MongoDB. Issue the following command to start mongod : Step 2: Verify that MongoDB has started successfully Verify that the mongod process has started successfully by checking the contents of the log file at /var/log/mongodb/mongod.log for a line reading where <port> is the port configured in /etc/mongod.conf , 27017 by default. Step 3: Stop MongoDB. As needed, you can stop the mongod process by issuing the following command: Step 4: Restart MongoDB. Issue the following command to restart mongod : Before deploying MongoDB in a production environment, consider the Production Notes (page 197) document. Later, to stop MongoDB, press Control+C in the terminal where the mongod instance is running. To completely remove MongoDB from a system, you must remove the MongoDB applications themselves, the con- figuration files, and any directories containing data and logs. The following section guides you through the necessary steps. Warning: This process will completely remove MongoDB, its configuration, and all databases. This process is not reversible, so ensure that all of your configuration and data is backed up before proceeding. Step 1: Stop MongoDB. Stop the mongod process by issuing the following command: sudo service mongod stop sudo service mongod restart sudo service mongod stop [initandlisten] waiting for connections on port <port> sudo service mongod start Step 5: Begin using MongoDB. To help you start using MongoDB, MongoDB provides Getting Started Guides in various driver editions. See getting-started for the available editions.