How to upgrade to python 3.7 on ubuntu 18.10

How to upgrade to python 3.7 on ubuntu 18.10

Ubuntu 18.10 ships with python 3.6.7, here is how to install python 3.7 and configure it as the default version of python

Before getting started, run the following command to see what version of python3 you are running.

python3 -V
Python 3.6.7

Install Python 3.7

Steps to install python3.7 and configure it as the default python3 interpreter.

  1. Install the python3.7 package using apt-get

    sudo apt-get install python3.7

    apt install python3.7

  2. Add python3.6 & python3.7 to update-alternatives

    sudo update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.6 1
    sudo update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.7 2

  3. Update python3 to point to python3.7

    sudo update-alternatives --config python3
    Enter 2 for python3.7

    update-alternatives python3

  4. Test the version of python

    python3 -V
    Python 3.7.1

    python 3.7 REPL

Now you should have the latest stable version of python running on your Ubuntu linux server. Leave a comment below and checkout my other linux tutorials.

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4 Replies to “How to upgrade to python 3.7 on ubuntu 18.10”

  1. Man you’re awesome. Thank you for this. I’m new to Ubuntu and feel like posts like these are invaluable to me. I tried installing with instructions from python’s site and kept getting errors. Maybe because of the version number? I don’t know, this worked though and I’m grateful for it.

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