Fix the 'Nodemon is Not Recognized' Error: Step-by-Step Guide to Resolve Command Issues

Facing the dreaded 'Nodemon is not recognized' error? Don't worry! This guide will walk you through the process of resolving this common command issue, enabling you to get back to productive coding.

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Nodemon is a handy utility that automatically restarts your Node.js application when a file change is detected, making development more efficient. However, you may encounter an error message stating that Nodemon is not recognized as an internal or external command.

This guide will provide a step-by-step solution to fix the 'Nodemon is not recognized' error on Windows, macOS, and Linux platforms.

Step 1: Verify Node.js and NPM Installation

Before proceeding with the solution, ensure that Node.js and NPM are installed on your system. To check if they are installed, open a command prompt or terminal and run the following commands:

node -v
npm -v

If Node.js and NPM are installed correctly, you should see their respective version numbers. If not, you need to install Node.js and NPM first.

Step 2: Install Nodemon Globally

To fix the 'Nodemon is not recognized' error, you need to install Nodemon globally. Run the following command to do so:

npm install -g nodemon

This command installs Nodemon globally on your system, making it available for all your Node.js projects.

Step 3: Configure Environment Variables

After installing Nodemon globally, you may still encounter the error due to incorrect environment variables configuration. Follow the steps below for your respective operating system to add Nodemon to your system's PATH.


  1. Open the Start menu, search for "Environment Variables," and click on "Edit the system environment variables."
  2. In the "System Properties" window, click on "Environment Variables."
  3. In the "System variables" section, find the "Path" variable, select it, and click "Edit."
  4. Click "New" and add the following path:

Replace <YourUsername> with your actual username.

  1. Click "OK" to save the changes and close all the windows.

macOS and Linux

  1. Open a terminal.
  2. Run the following command to open the .bash_profile or .bashrc file in a text editor:
nano ~/.bash_profile


nano ~/.bashrc
  1. Add the following line at the end of the file:
export PATH="$PATH:/usr/local/bin"
  1. Save the changes and exit the text editor by pressing Ctrl + X, then Y, and finally Enter.
  2. Run the following command to apply the changes:
source ~/.bash_profile


source ~/.bashrc

Step 4: Test Nodemon Installation

After configuring the environment variables, open a new command prompt or terminal and run the following command:

nodemon -v

If the error is resolved, you should see the Nodemon version number. You can now use Nodemon without any issues.


1. How do I uninstall Nodemon?

To uninstall Nodemon, run the following command:

npm uninstall -g nodemon

2. Can I install Nodemon locally for a specific project?

Yes, you can install Nodemon locally by running the following command inside your project directory:

npm install --save-dev nodemon

3. How do I use Nodemon with an existing Node.js script?

To use Nodemon with an existing Node.js script, replace node with nodemon when running the script. For example, if your script is app.js, run the following command:

nodemon app.js

4. Can I use Nodemon with other programming languages?

Yes, Nodemon can be used with other programming languages by specifying the --exec option followed by the command to run the script. For example, to use Nodemon with a Python script, run the following command:

nodemon --exec python

5. How do I configure Nodemon to ignore specific directories?

To configure Nodemon to ignore specific directories, create a nodemon.json file in your project's root directory and add the following configuration, replacing directory_name with the actual directory name:

  "ignore": ["directory_name/*"]

For more configuration options, refer to the official Nodemon documentation.

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