Extracting the hostname Field from MongoDB using db.hostInfo()

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A Beginner's Guide to Extracting the hostname Field from MongoDB

When you run the command, you’ll typically see output resembling the following example:

[[See Video to Reveal this Text or Code Snippet]]

As evidenced here, the hostname is located under the system field, which is nested within the output.

Extracting the hostname Field

Step-by-Step Instructions

Open Your MongoDB Shell: Start your MongoDB shell as you normally would.

Run the Command to Fetch Host Information: Type the command below in your MongoDB shell to extract the hostname.

[[See Video to Reveal this Text or Code Snippet]]

Check the Output: After running the command, you should see just the hostname printed in the terminal.

Example

If your actual hostname is my-mongo-server, the command will output:

[[See Video to Reveal this Text or Code Snippet]]

Conclusion

As you advance in your MongoDB journey, learning to extract specific fields from command outputs will save you time and improve your efficiency. Happy coding!