MongoDB is a multiplatform document database. It is sorted as NoSQL database and contrary traditional relationship databases using tables it uses documents similar to JSON (MongoDB format is called BSON) and dynamic database schemes that allow creating and integrating data for application simple and fast. It is an open-source software published under GNU Affero General Public License and Apache licenses.
Database MongoDB was originally developed by company 10gen (now MongoDB Inc.) in 2007 as a component to planned PaaS product. In 2009 the project became open-source. MongoDB is the most popular NoSQL database system. Language controls are available for Apache license. MongoDB Inc. offers proprietary licenses for MongoDB.
guide describes installation of MongoDB Community Edition in version 4.2 from official repository and testing functionality after installation.
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Guide for installing MongoDB
Hint: Before you use this guide, we would recommend to have a knowledge of installing packages on the server and editing configuration via console to one of the editors.
1. Add GPG key to the repository
wget -qO - https://www.mongodb.org/static/pgp/server-4.2.asc | sudo apt-key add -
2. Add MongoDB 4.2 repository
echo "deb [ arch=amd64 ] https://repo.mongodb.org/apt/ubuntu bionic/mongodb-org/4.2 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-4.2.list
3. Update repositories and install updates of packages
sudo apt update sudo apt upgrade 4. Install packages MongoDB
sudo apt-get install -y mongodb-org
Management of MongoDB
Running server
sudo service mongod start
Check if the MongoDB is running
sudo service mongod status
MongoDB is installed on localhost and port 27017, which can be check via command:
netstat -nlp|grep 27017
Stopping server
sudo service mongod stop
Restart server
sudo service mongod restart
Configuration of access to MongoDB
Running MongoDB shell
$ mongo
Switching to database admin
> use admin
Creating user admin with root rights
Exit shell with command exit
Open file/lib/systemd/system/mongod.service in the text editor and locate a line:
ExecStart=/usr/bin/mongod --config /etc/mongod.conf
Edit it to
ExecStart=/usr/bin/mongod --auth --config /etc/mongod.conf
and restart systemd and MongoDB server
sudo systemctl daemon-reload
sudo service mongod restart
Now you can connect via username and password
mongo -u admin -p admin123456 --authenticationDatabase admin