Linux Administration Cookbook

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I suggested the EPEL version of MongoDB is old. At the time of writing this is true, so it's a good idea to try the most recent version from the upstream repositories, if you'd like to use MongoDB for your own systems.

Again, I would hammer the point home that enabling some sort of security on your system is also a must if you plan on using it in production. 

Also, if you're still trying to think of a situation where NoSQL databases could be more useful than traditional PostgreSQL or MySQL setups, think of something such as logging.

You would hope that a log file is consistent, with the same fields, and the same type of data in each. However, log files might change, their order could be different, the types could suddenly ...