Ubuntu/Debian:
export PATH="$HOME/.pyenv/bin:$PATH" eval "$(pyenv init -)" eval "$(pyenv virtualenv-init -)" # optional, but useful Restart your shell. # List all installable versions pyenv install --list Install a new version (e.g., 3.12.2) pyenv install 3.12.2 Set it globally (for your user only) pyenv global 3.12.2 Or set per project directory cd my_project pyenv local 3.12.2 Verify python --version
In this guide, you'll learn safe, reliable methods to update Python on any major Linux distribution. Do not replace your system's default Python (usually /usr/bin/python3 ). Linux distributions rely on a specific Python version for tools like apt , yum , gnome-terminal , and update managers. Removing or overwriting it can break your OS. how to update python on linux
sudo apt update sudo apt install build-essential zlib1g-dev libncurses5-dev \ libgdbm-dev libnss3-dev libssl-dev libreadline-dev libffi-dev \ libsqlite3-dev wget libbz2-dev Fedora:
# Your new Python version python3.12 --version python3 --version Updating pip and Virtual Environments After installing a new Python, update its pip: Ubuntu/Debian: export PATH="$HOME/
python3.12 --version pyenv lets you install and switch between multiple Python versions per project without touching system Python. Install pyenv # Install dependencies (same as source compilation) # Then run pyenv installer curl https://pyenv.run | bash Add to your ~/.bashrc (or ~/.zshrc ):
With pyenv , python and pip automatically point to your chosen version without affecting system tools. After any method, check: Linux distributions rely on a specific Python version
python3.12 -m pip install --upgrade pip Create a virtual environment to isolate packages:
