How To Install MongoDB 4 on RHEL 7 / CentOS 7

In this guide, we will cover the steps to install MongoDB 4 on RHEL 7 / CentOS 7. MongoDB is an open source NoSQL database system written in C++ designed to ensure scalability and high performance.

MongoDB 4 is available on MongoDB yum repository. Add the repository to your centos7 server by running below commands:

Add the Repository:

sudo tee /etc/yum.repos.d/mongodb-org-4.repo<<EOF
[mongodb-org-4.0]
name=MongoDB Repository
baseurl=https://repo.mongodb.org/yum/redhat/$releasever/mongodb-org/4.0/x86_64/
gpgcheck=1
enabled=1
gpgkey=https://www.mongodb.org/static/pgp/server-4.0.asc
EOF

Install mongodb-org package.

[root@dockerworkernode2 ~]# yum install mongodb-org -y
Loaded plugins: fastestmirror
mongodb-org-4.0 | 2.5 kB 00:00:00
mongodb-org-4.0/7/primary_db | 59 kB 00:00:02
Loading mirror speeds from cached hostfile
* base: mirrors.piconets.webwerks.in
* extras: mirrors.piconets.webwerks.in
* updates: mirrors.piconets.webwerks.in
Resolving Dependencies

Starting MongoDB

After MongoDB successfully installed, start the MongoDB.

$ systemctl start mongod

mongodb-org-mongos – This is a MongoDB Shard daemon
mongodb-org-shell – This provides a shell to MongoDB
mongodb-org-server – This provides MongoDB daemon mongod
mongodb-org-tools – MongoDB tools used for export, dump, import

Enable mongod Service :

[root@dockerworkernode2 ~]# systemctl enable --now mongod
[root@dockerworkernode2 ~]# systemctl status mongod
● mongod.service - MongoDB Database Server
Loaded: loaded (/usr/lib/systemd/system/mongod.service; enabled; vendor preset: disabled)
Active: active (running) since Thu 2019-12-12 11:11:07 IST; 24s ago
Docs: https://docs.mongodb.org/manual
Process: 2707 ExecStart=/usr/bin/mongod $OPTIONS (code=exited, status=0/SUCCESS)
Process: 2704 ExecStartPre=/usr/bin/chmod 0755 /var/run/mongodb (code=exited, status=0/SUCCESS)
Process: 2701 ExecStartPre=/usr/bin/chown mongod:mongod /var/run/mongodb (code=exited, status=0/SUCCESS)
Process: 2699 ExecStartPre=/usr/bin/mkdir -p /var/run/mongodb (code=exited, status=0/SUCCESS)
Main PID: 2710 (mongod)
Memory: 87.8M
CGroup: /system.slice/mongod.service
└─2710 /usr/bin/mongod -f /etc/mongod.conf

Dec 12 11:11:06 dockerworkernode2.org systemd[1]: Starting MongoDB Database Server...
Dec 12 11:11:06 dockerworkernode2.org mongod[2707]: about to fork child process, waiting until server is ready for connections.
Dec 12 11:11:06 dockerworkernode2.org mongod[2707]: forked process: 2710
Dec 12 11:11:07 dockerworkernode2.org systemd[1]: Started MongoDB Database Server.
Hint: Some lines were ellipsized, use -l to show in full.
[root@dockerworkernode2 ~]#

How To Install MongoDB 4 on RHEL 8 / CentOS 8