In this tutorial, we will show you how to install Python 3.9 on Ubuntu 20.04 LTS. For those of you who didn’t know, Python is an open-source and beginner-friendly programming language. Python 3.9 is the latest major release of the Python language. It includes many new features such as assignment expressions, positional-only parameters, f-strings support, and more.
This article assumes you have at least basic knowledge of Linux, know how to use the shell, and most importantly, you host your site on your own VPS. The installation is quite simple and assumes you are running in the root account, if not you may need to add ‘
sudo‘ to the commands to get root privileges. I will show you the step-by-step installation of Python 3.9 on a Ubuntu 20.04 (Focal Fossa) server. You can follow the same instructions for Ubuntu 18.04, 16.04, and any other Debian-based distribution like Linux Mint.
- A server running one of the following operating systems: Ubuntu 20.04, and any other Debian-based distribution like Linux Mint.
- It’s recommended that you use a fresh OS install to prevent any potential issues.
- SSH access to the server (or just open Terminal if you’re on a desktop).
non-root sudo useror access to the
root user. We recommend acting as a
non-root sudo user, however, as you can harm your system if you’re not careful when acting as the root.
Install Python 3.9 on Ubuntu 20.04 LTS Focal Fossa
Step 1. First, make sure that all your system packages are up-to-date by running the following
apt commands in the terminal.
sudo apt update sudo apt upgrade sudo apt install software-properties-common
Step 2. Installing Python 3.9 on Ubuntu 20.04.
- Install Python 3.9 on Ubuntu from Source
Install the dependencies for Python:
sudo apt install build-essential zlib1g-dev libncurses5-dev libgdbm-dev libnss3-dev libssl-dev libreadline-dev libffi-dev libsqlite3-dev wget libbz2-dev
Next, download the latest release’s source code from the Python download page:
wget https://www.python.org/ftp/python/3.9.0/Python-3.9.0.tgz tar -xf Python-3.9.0.tgz
Then, run the configure script, which performs a number of checks to make sure all of the dependencies on your system are present:
cd Python-3.9.0 ./configure --enable-optimizations
After that, start the Python 3.9 build process:
make -j 12 sudo make altinstall
Verify the installation:
- Install Python 3.9 on Ubuntu with apt
Now we add the deadsnakes PPA to your Ubuntu system:
sudo add-apt-repository ppa:deadsnakes/ppa
To install Pip for Python 3.9, run the following command:
sudo apt install python3.9
Verify the installation by printing the Python version number:
Congratulations! You have successfully installed Python. Thanks for using this tutorial for installing Python 3.9 on Ubuntu 20.04 LTS Focal Fossa system. For additional help or useful information, we recommend you to check the official Python website.