Python: Installation Guide for Ubuntu
Installing Python 3.10+ on Ubuntu/Debian
Shell Script: Install Python 3.10+ on Ubuntu/Debian
NOTE: This is for 3.10+, but the version can be for Python 3.11 or 3.12
#!/bin/bash
set -e # Exit immediately if a command exits with a non-zero status
echo "🔄 Updating system packages..."
sudo apt update
sudo apt upgrade -y
echo "📦 Installing required dependencies..."
sudo apt install -y software-properties-common build-essential curl wget
echo "➕ Adding Deadsnakes PPA for newer Python versions..."
sudo add-apt-repository ppa:deadsnakes/ppa -y
sudo apt update
echo "🐍 Installing Python 3.10 and dev tools..."
sudo apt install -y python3.10 python3.10-venv python3.10-dev
echo "✅ Verifying Python installation..."
python3.10 --version
echo "📥 Downloading get-pip.py..."
curl -O https://bootstrap.pypa.io/get-pip.py
echo "📦 Installing pip for Python 3.10..."
python3.10 get-pip.py
rm get-pip.py
echo "✅ Verifying pip installation..."
python3.10 -m pip --version
# Optional: Set default 'python3' and 'pip3' to Python 3.10 versions
# echo "🔗 Setting python3 and pip3 to point to Python 3.10 (optional)..."
# sudo update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.10 1
# sudo update-alternatives --install /usr/bin/pip3 pip3 /usr/local/bin/pip3.10 1
echo "🎉 Python 3.10+ and pip installation complete!"
📝 Usage Instructions
-
Save the script
Save the above content to a file, e.g.,install_python.sh. -
Make it executable
chmod +x install_python.sh -
Run the script with sudo
sudo ./install_python.sh
⚠️ Notes & Best Practices
-
Virtual Environments: After installation, create isolated project environments with:
python3.10 -m venv myenv source myenv/bin/activate -
Don't override
python3globally unless needed
Avoid changing system default unless you're sure. Usepython3.10andpip3.10explicitly. -
For Python 3.11+
Replacepython3.10withpython3.11(if supported by deadsnakes).