step 8: install mongodb

first create a repository file for the 10gen repo:

# vi /etc/yum.repos.d/10gen.repo

press the "i" key to go into edit mode

paste the following content into the editor

[10gen]
name=10gen Repository
baseurl=http://downloads-distro.mongodb.org/repo/redhat/os/x86_64
gpgcheck=0