How to Install MongoDB on CentOS/RHEL 7

    RahulBy 2 Mins ReadUpdated:

    MongoDB (named from “huMONGOus“) is a full flexible index support and rich queries database. Its is a NoSQL database. MongoDB provides large media storage with GridFS. Click here for more details about mongoDB.

    install mongodb

    MongoDB has released a new stable version 4.2 with lots of major enhancements. This tutorial latest tested on CentOS 7 and help you to install MongoDB 4.2 on CentOS 8/7/6 and RHEL 8/7/6 systems.

    Step 1 – Add MongoDB Yum Repository

    Add the following content in yum repository configuration file mongodb.repo as per your required MongoDB version and system architecture. For this article, we are using MongoDB 4.0 repository.

    CentOS and RedHat systems Only

    vi /etc/yum.repos.d/mongodb.repo

    [MongoDB]
name=MongoDB Repository
baseurl=http://repo.mongodb.org/yum/redhat/$releasever/mongodb-org/4.2/$basearch/
gpgcheck=1
enabled=1
gpgkey=https://www.mongodb.org/static/pgp/server-4.2.asc

    Step 2 – Install MongoDB Server

    Let’s use the yum package manager to install mongodb-org package, it will automatically install all its dependencies. To install any specific revision of MongoDB specify package name with version like mongodb-org-4.0.0. The following command will install the latest stable version available.

    sudo yum install mongodb-org

    Step 3 – Start MongoDB Service

    Package mongodb-org-server provided MongoDB init script, Use that script to start service.

    systemctl start mongod.service    # For CentOS 8/7 
service mongod restart            # For CentOS 6

    Configure MongoDB to autostart on system boot.

    systemctl enable mongod.service    # For CentOS 8/7 
chkconfig mongod on                # For CentOS 6

    Step 4 – Check MongoDB Version

    Use the following command to check installed MongoDB version

    [[email protected] ~]# mongod --version

db version v4.2.1
git version: edf6d45851c0b9ee15548f0f847df141764a317e
OpenSSL version: OpenSSL 1.0.1e-fips 11 Feb 2013
allocator: tcmalloc
modules: none
build environment:
    distmod: rhel70
    distarch: x86_64
    target_arch: x86_64

    Connect MongoDB using the command line and execute some test commands for checking proper working.

    [[email protected] ~]#  mongo

> use mydb;

> db.test.save( { a: 1 } )

> db.test.find()

  { "_id" : ObjectId("54fc2a4c71b56443ced99ba2"), "a" : 1 }

    Congratulation’s You have successfully installed mongodb server on your system. For practice only you may use MongoDB browser shell.

    References:
    http://docs.mongodb.org/manual/installation/

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    14 Comments

    2. Joshua J Kugler on

      Mongo *does* publish their signing keys. There is no reason t disable GPG check, and that could allow malicious packages to be installed via a man-in-the-middle attack. The keys are available here: https://www.mongodb.org/static/pgp/ and the .repo file would then look like this (I did 4.2, so pay attention to versions). 🙂

      [MongoDB]
      name=MongoDB Repository
      baseurl=http://repo.mongodb.org/yum/redhat/$releasever/mongodb-org/4.2/$basearch/
      gpgcheck=1
      enabled=1
      gpgkey=https://www.mongodb.org/static/pgp/server-4.2.asc

      Reply
    3. Jaffer2x on

      Easiest installation ever, thank you, a nice extra would be the first admin user setup in database. greetings

      Reply
    9. Mark on

      These instructions are misleading, the title suggests the shown repo files will work on Fedora. Fedora fails because “$releasever” will translate to a Fedora version like “22” but the remote repo only has
      5, 5Server, 6, 6Server, 7, 7Server as available. So when dnf/yum tries to look in the repo there is no repodata available. This seems to work however for the baseurl for Fedora 22:

      baseurl=http://repo.mongodb.org/yum/redhat/7/mongodb-org/3.0/x86_64/

      because RHEL7 is similar enough to Fedora 22

      Reply
    11. Jindra on

      Thanks for this guide. Pls note that there are some bugs in the latest (2.6.3) of the RPM.
      – it uses the old, deprecated config file format
      – the script /etc/init.d/mongod tries to read pidfile location, but this will not work if you have the new YAML config file
      – on top of that, it calls killproc $PIDFILE (will not work with the new format of config file) instead of calling correctly mongod –shutdown
      – in start() function it calls mongod path stored in $mongod, but in stop() it calls /usr/bin/mongod hardcoded

      Preparation of the RPM package was not done very carefully. There might be other bugs, take care…

      Reply
    12. Simon on

      Hi

      Thanks for the step by step guide however when installed it creates a init.d script (bash) and not an init script (upstart) one.

      Simon

      Reply

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