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The mongodb-org-server package provides an initialization script that starts mongod with the /etc/mongod.conf configuration file.
See Run MongoDB Community Edition for details on using this initialization script.
These packages conflict with the mongodb, mongodb-server, and mongodb-clients packages provided by Ubuntu.
The default /etc/mongod.conf configuration file supplied by the packages have bind_ip set to 127.0.0.1 by default. Modify this setting as needed for your environment before initializing a replica set.
The Ubuntu package management tools (i.e. dpkg and apt) ensure package consistency and authenticity by requiring that distributors sign packages with GPG keys. Issue the following command to import the MongoDB public GPG Key:
sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 0C49F3730359A14518585931BC711F9BA15703C6
Create the /etc/apt/sources.list.d/mongodb-org-3.4.list list file using the command appropriate for your version of Ubuntu:
echo "deb [ arch=amd64,arm64 ] http://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/3.4 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-3.4.list
sudo apt-get update
Issue the following command:
sudo apt-get install -y mongodb-org
Most Unix-like operating systems limit the system resources that a session may use. These limits may negatively impact MongoDB operation. See UNIX ulimit Settings for more information.
The MongoDB instance stores its data files in /var/lib/mongodb and its log files in /var/log/mongodbby 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.
Issue the following command to start mongod:
sudo service mongod start
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
[initandlisten] waiting for connections on port <port>
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
[initandlisten] waiting for connections on port <port>
where <port> is the port configured in /etc/mongod.conf, 27017 by default.
As needed, you can stop the mongod process by issuing the following command:
sudo service mongod stop
Issue the following command to restart mongod:
sudo service mongod restart
To help you start using MongoDB, MongoDB provides Getting Started Guides in various driver editions. See Getting Started for the available editions.
Before deploying MongoDB in a production environment, consider the Production Notes 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 configuration files, and any directories containing data and logs. The following section guides you through the necessary steps.
Stop the mongod process by issuing the following command:
sudo service mongod stop
Remove any MongoDB packages that you had previously installed.
sudo apt-get purge mongodb-org*
Remove MongoDB databases and log files.
sudo rm -r /var/log/mongodb
sudo rm -r /var/lib/mongodb
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原文地址：http://www.cnblogs.com/ClassNotFoundException/p/6921525.html
