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Encountering the `Command 'python' not found` error while trying to install Python 3.8 on Ubuntu 18.04? Learn why this happens and find out how to resolve this issue quickly.
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Troubleshooting the Command 'python' not found Error on Ubuntu 18.04

When attempting to install Python 3.8 on Ubuntu 18.04, you might encounter the error message Command 'python' not found. Understanding the root cause of this error can greatly assist you in resolving it effectively.

Understanding the Error

By default, Ubuntu 18.04 does not come with python as a command pointing to any version of Python. Instead, it uses python3 to refer to Python 3.x versions. When you type python in the terminal, Ubuntu expects a symbolic link or alias pointing to a specific Python interpreter, which might be missing in your case.

Steps to Resolve the Issue

Here’s a step-by-step guide to resolve the Command 'python' not found error on Ubuntu 18.04:

Check Python Installation

First, verify if Python 3.x is already installed on your system:

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

Install Python 3.8 If Not Installed

If Python 3.8 is not installed, you can add the necessary repository and install it using:

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

Create a Symbolic Link for Python

To ensure the python command points to python3.8, you need to create a symbolic link:

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

Verify the Link

Confirm that the symbolic link is working correctly:

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

This command should now return the Python 3.8 version, indicating that the link is correctly set up.

Conclusion

The error Command 'python' not found occurs due to the default Ubuntu setting where python is not linked to any versions of Python. By following the steps above, you can set up the necessary symbolic link and ensure that your system recognizes the python command correctly. This will allow you to use Python 3.8 seamlessly on Ubuntu 18.04.