Book Image

MongoDB Administrator???s Guide

By : Cyrus Dasadia
Book Image

MongoDB Administrator???s Guide

By: Cyrus Dasadia

Overview of this book

MongoDB is a high-performance and feature-rich NoSQL database that forms the backbone of the systems that power many different organizations. Packed with many features that have become essential for many different types of software professional and incredibly easy to use, this cookbook contains more than 100 recipes to address the everyday challenges of working with MongoDB. Starting with database configuration, you will understand the indexing aspects of MongoDB. The book also includes practical recipes on how you can optimize your database query performance, perform diagnostics, and query debugging. You will also learn how to implement the core administration tasks required for high-availability and scalability, achieved through replica sets and sharding, respectively. You will also implement server security concepts such as authentication, user management, role-based access models, and TLS configuration. You will also learn how to back up and recover your database efficiently and monitor server performance. By the end of this book, you will have all the information you need—along with tips, tricks, and best practices—to implement a high-performance MongoDB solution.
Table of Contents (17 chapters)
Title Page
Credits
About the Author
About the Reviewers
www.PacktPub.com
Customer Feedback
Preface

Creating normal users and assigning built-in roles


In this recipe, we will look at how to use built-in roles provided by MongoDB and assign them to users.

Getting ready

You should have a MongoDB instance with authentication enabled and an administrator account created. Refer to the first recipe of this chapter for more details.

How to do it...

  1. Connect to the mongod instance using the mongo shell and authenticate as superadmin:
use admin

db.auth('superadmin', 'supasecret')
  1. Create a new user and assign it a built-in role:
use mydb

db.createUser(
  {
    user: "mydb_user",
    pwd: "secret",
    roles: [{role: "read", db: "mydb"}]
  }
)
  1. You should see that an output similar to this:
Successfully added user: {
        "user" : "mydb_user",
        "roles" : [
                {
                        "role" : "read",
                        "db" : "mydb"
                }
        ]
}
  1. Connect to the mongod instance and authenticate.
use mydb

db.auth('mydb_user', 'secret')
  1. Execute a count() command:
db...