how to uninstall mongodb on centos 7 code example

Example: uninstaall mongodb from centos7

1)Stop MongoDB.
Stop the mongod process by issuing the following command:

	sudo service mongod stop
2)Remove Packages.
Remove any MongoDB packages that you had previously installed.

	sudo yum erase $(rpm -qa | grep mongodb-org)

3)Remove Data Directories.

Remove MongoDB databases and log files.

    sudo rm -r /var/log/mongodb
    sudo rm -r /var/lib/mongo

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