install python 2 7 on linux

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As of my last knowledge update in January 2022, Python 2.7 has reached its end-of-life and is no longer supported for updates or security fixes. Python 2.7 support officially ended on January 1, 2020. However, if for some specific reason you still need to install Python 2.7 on a Linux system, here’s a guide to help you do so. Please note that it’s highly recommended to use Python 3.x versions, preferably the latest stable release, for ongoing projects due to Python 2.7’s lack of support.
Check if Python 2.7 is already installed on your system. You can do this by opening a terminal and typing:
If Python 2.7 is installed, it will display the version information. If not installed, the terminal will likely show an error message.
Make sure your package lists are up-to-date by running:
For Ubuntu/Debian-based systems:
For CentOS/Fedora-based systems:
You might need to add a specific repository that contains Python 2.7 for your Linux distribution. Here are commands for some common distributions:
Follow the instructions prompted by the package manager to complete the installation.
After the installation is complete, verify the installation by typing the following command in the terminal:
This should display the installed Python 2.7 version information.
If you need to set Python 2.7 as the default Python version temporarily, you can use the update-alternatives command on Debian/Ubuntu-based systems:
Remember, the steps might slightly differ based on the Linux distribution you are using. Always refer to your distribution’s documentation or community forums for any specific instructions or changes.
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centos 7