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How to Install Python 3 on CentOS 7?

January 21, 2024

How to Install Python 3 on CentOS 7
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How to Install Python 3 on CentOS 7?

Installing Python 3 on CentOS 7 Using `yum`

CentOS 7, a widely used Linux distribution, typically ships with Python 2 by default. However, as Python 2 has reached its end of life, it is recommended to switch to Python 3 for better compatibility and support. In this guide, we’ll explore a straightforward method to install Python 3 on CentOS 7 using the `yum` package manager.

Step 1: Update the System

Start by ensuring your system is up-to-date. Open your terminal and run the following commands:

sudo yum update
sudo yum install epel-release

The first command updates your package information, and the second installs the Extra Packages for Enterprise Linux (EPEL) repository, which contains additional software packages not included in the default CentOS repositories.

Step 2: Install Python 3

With the EPEL repository in place, you can now install Python 3 using the `yum` package manager. Run the following command:

sudo yum install python3

This command fetches and installs Python 3 along with its dependencies. Once the process is complete, Python 3 is ready to use on your CentOS 7 system.

Step 3: Verify Installation

To ensure that Python 3 has been successfully installed, run the following command:

python3 –version

This command should display the version number of the installed Python 3. If you see the version information, congratulations – Python 3 is now installed on your system!

Step 4: Set Python 3 as Default (Optional)

If you prefer using Python 3 by default, create a symbolic link for the `python` command:

sudo ln -s /usr/bin/python3 /usr/bin/python

This step is optional and depends on your specific use case.

Conclusion

In just a few simple steps, you have successfully installed Python 3 on CentOS 7 using the `yum` package manager. This method is quick, efficient, and suitable for users who prefer a hassle-free installation process. Python 3 is now ready for you to use in your development projects and applications.

Remember that it’s always a good practice to refer to the official documentation for the latest information and updates. Happy coding!

 

How to Install Python 3 on CentOS 7? (F.A.Q)

 
Why should I switch to Python 3 on CentOS 7?

Python 2 reached its end of life on January 1, 2020, and is no longer receiving updates, including security patches. Python 3 is the actively maintained version, offering improved features, performance, and compatibility with modern applications. Switching to Python 3 ensures that your codebase remains supported and secure.

What is the purpose of the EPEL repository, and why do I need it?

The Extra Packages for Enterprise Linux (EPEL) repository contains additional software packages not provided by the default CentOS repositories. In this case, it includes Python 3. By installing EPEL, you gain access to a broader range of packages, making it easier to install and maintain software on your CentOS system.

Can I have both Python 2 and Python 3 on CentOS 7?

Yes, you can have both Python 2 and Python 3 installed simultaneously on CentOS 7. This allows you to maintain compatibility with existing projects while transitioning to Python 3. When installing Python 3 using yum, it won’t remove Python 2, and you can use version-specific commands (e.g., python2 and python3) to run the desired interpreter.

I've installed Python 3. How can I manage Python packages?

Python package management is typically done using pip, which is the package installer for Python. To install packages for Python 3, use the pip3 command. For example:

sudo yum install python3-pip

After installing pip3, you can use it to install Python packages. Remember to use pip3 instead of pip to ensure that you are working with the Python 3 package manager.

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