Скачать или смотреть Resolving command not found: mongod Error on macOS Catalina - A Step-by-Step Guide

Learn how to fix the `command not found: mongod` error on macOS Catalina and properly set up your MongoDB installation without using Brew.
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This video is based on the question https://stackoverflow.com/q/64104782/ asked by the user 'Pouya Farahany' ( https://stackoverflow.com/u/10468173/ ) and on the answer https://stackoverflow.com/a/64105160/ provided by the user 'Hossein' ( https://stackoverflow.com/u/6932198/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Resolving command not found: mongod Error on macOS Catalina - A Step-by-Step Guide

If you've recently attempted to run mongod on your macOS Catalina and were met with the frustrating message, command not found: mongod, you're not alone. Many users encounter this issue when they try to execute MongoDB commands after a manual installation, particularly if they've made changes to their terminal configuration files. Let's break down the problem and guide you on how to effectively resolve it.

Understanding the Problem

When you receive the command not found: mongod error, it typically means that your system is unable to locate the mongod executable. In many cases, this is related to environment variables, specifically the PATH variable, which tells your terminal where to search for executable commands.

What You Might Have Done Wrong

You may have updated the PATH variable but have done so in the wrong profile file.

You might be using zsh, which is the default shell in macOS Catalina, but have modified settings intended for bash.

Step-by-Step Solution

To get mongod working again, follow these clear steps to correctly update your PATH variable for your zsh configuration instead of bash.

Step 1: Open the Terminal

Launch your terminal application, as this is where you'll input the necessary commands.

Step 2: Edit the zsh Configuration File

You’ll need to make changes to the ~/.zshrc file, which is the configuration file for zsh. Use the following command to open it using Vim:

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

Step 3: Update the PATH Variable

Add the line to include the path to your MongoDB installation. Insert this line in the file:

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

Make sure you are replacing "/Users/pouya/mongodb/bin" with the accurate path if your MongoDB is located elsewhere.

Step 4: Save Changes and Exit

In Vim, you can save your changes and exit by pressing Esc, typing :wq, and then hitting Enter.

Step 5: Apply the Changes

You need to refresh your terminal session to apply the new changes. To do this, run the following command:

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

Step 6: Verify Installation

Now, you can check if MongoDB is correctly set up by running:

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

If it prints the version of MongoDB, congratulations! You've successfully resolved the issue.

Conclusion

Encountering the command not found: mongod error can be frustrating, especially when you're trying to set up MongoDB manually on your macOS Catalina system. By correctly updating the PATH variable in your ~/.zshrc file, you can ensure that your terminal recognizes the mongod command. Always remember to make changes in the configuration file corresponding to your terminal shell version, and if you're transitioning from bash to zsh, update the respective files accordingly.

Feel free to revisit this guide if you ever run into issues again, and best of luck with your MongoDB projects!