A Comprehensive Guide to Setting Up dotnet Core 2.1.8 for OpenAPI on Mac M1

Discover how to resolve the `dotnet` command not found error when setting up `dotnet Core 2.1.8` for your OpenAPI specification project on your Mac M1.
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This video is based on the question https://stackoverflow.com/q/73731673/ asked by the user 'Faisal Mahmud Rifat' ( https://stackoverflow.com/u/18375653/ ) and on the answer https://stackoverflow.com/a/73734986/ provided by the user 'Younis Rahman' ( https://stackoverflow.com/u/6945218/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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A Comprehensive Guide to Setting Up dotnet Core 2.1.8 for OpenAPI on Mac M1

If you're diving into the world of OpenAPI specifications on a Mac with an M1 chip, you might encounter some bumps in the road—particularly when it comes to installing dotnet Core 2.1.8. One of the most common issues is the infamous error message stating that the dotnet command is not found. In this post, we're going to tackle this issue head-on and provide a step-by-step guide on how to resolve it effectively.

Understanding the Problem: dotnet Command Not Found

On Macs, particularly ones equipped with the Apple M1 chip, installing different versions of .NET can lead to configuration issues. When you try to run dotnet commands and receive the error:

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it usually means that the terminal cannot find the dotnet executable in its expected paths.

Steps to Fix the Issue

Let's break down how to correctly set up dotnet Core 2.1.8 for your OpenAPI specification project on your Mac M1. Follow these steps:

Step 1: Remove the Incorrect Symbolic Link

If you've previously attempted to create a symbolic link (symlink) to dotnet but used the wrong path, you'll first want to remove that symlink. Open your terminal and run the following command:

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This command deletes any previously created symlink that could be pointing to an incorrect location.

Step 2: Create the Correct Symbolic Link

Now that the inappropriate symlink has been removed, it's time to create the correct one. Use this command in your terminal to link the dotnet executable properly:

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This command ensures that the terminal knows where to find the dotnet executable when you invoke it.

Step 3: Check Your Installation Path

It’s important to verify that the path you are linking to does indeed contain the dotnet executable. For Mac M1 users, the installation path may not be /usr/local/share/dotnet/x64/dotnet. Instead, it might simply be located at /usr/local/share/dotnet/dotnet.

To find the correct path:

Navigate to the dotnet folder on your computer.

Right-click on the dotnet application.

While holding the Option key on your keyboard, copy the path.

Step 4: Verify Your Installation

Once you have created the symbolic link, it's time to ensure everything is working correctly. You can check the version of dotnet installed on your machine by running the following command in your terminal:

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

If everything is set up correctly, you should see the version of dotnet Core installed on your system.

Conclusion

By following these steps, you should be able to resolve the dotnet command not found error and successfully set up dotnet Core 2.1.8 for your OpenAPI specification project on your Mac M1. If you continue to experience issues, double-check the paths to ensure accuracy or consult the official .NET documentation for further assistance. Happy coding!

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