How to Install or Update Python on Kali Linux

How to Install Python on Kali Linux

Kali Linux typically comes with Python pre-installed, especially on full desktop images. But if you’re running a minimal version (like on a VPS or Docker container), or just want to make sure you have the latest version, here’s how to install or upgrade it.

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1. Check if Python is Installed

python3 --version

If you see something like Python 3.11.2, you’re good. Otherwise, proceed below.

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2. Install Python 3

sudo apt update sudo apt install python3 -y

This installs the latest Python 3 package available via APT. Most tools will work fine with this version.

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3. Add pip (Python Package Installer)

sudo apt install python3-pip -y

pip lets you install Python modules like requests, Flask, or pwntools for CTFs. Check version with:

pip3 --version

The PyPA recommended tool for installing Python packages: PIP

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4. Optional: Install Python Virtual Environments

sudo apt install python3-venv -y

This is useful for creating isolated Python environments when testing tools or writing scripts.

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5. Verify Everything Works

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You can test if Python is installed and working using either a quick one-liner or by launching the interactive shell.

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Option 1: Run a one-liner directly from the terminal

python3 -c 'print("Hello Kali!")'

If it prints Hello Kali!, Python is working correctly.

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Option 2: Enter the interactive Python shell

python3

At the >>> prompt, type:

print("Hello Kali!")

You should see:

Hello Kali!

To exit the Python shell, type:

exit()

If you see output, Python is now working fine.

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Optional: Clean Uninstall and Reinstall

If things are still broken, you can try fully removing Python and pip, then reinstalling them from scratch:

sudo apt remove --purge python3 python3-pip sudo apt install python3 python3-pip

⚠️ Be careful: some system tools depend on Python, so don’t remove it unless you know what you’re doing or you’re on a minimal/test install.

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