Pip is a package-management system written in Python used to install and manage software packages. It is a package management system that simplifies installation and management of software packages written in Python such as those found in the Python Package Index (PyPI). Pip is not installed by default on Debian 11.
In this guide we will learn how to install Python Pip on Debian 11 using the apt package manager.
Before proceeding, ensure that you have the following:
- Updated Debian 11 system
- Access to the internet so we can download the packages
- Root access or user with sudo access
Table of content
- Updating the system packages
- Installing pip for python 3
1. Updating the system packages
Run this command to ensure that your system packages are up to date
sudo apt update sudo apt -y upgrade
2. Installing pip for python 3
Debian 11 ships with python3 as the default python interpreter. Before installing pip, ensure that python is installed using this command:
sudo apt install python3
Then install pip
sudo apt install python3-pip
Now confirm that pip is installed:
$ pip3 --version pip 20.3.4 from /usr/lib/python3/dist-packages/pip (python 3.9)
3. Installing pip for Python 2
Python 2 is not installed by default in Debian 11. To install Python 2 and Pip 2, do the following:
Install python 2:
sudo apt install python
Then install python2 pip:
sudo apt install -y python-pip
Then verify the installation with this command:
$ pip --version pip 20.3.4 from /usr/lib/python2.7/dist-packages (python 2.7)
4. Using python pip
Pip is used to manage python modules on the system. The python modules will be installed globally. You can also install these modules using the
apt package manager.
If the module you are installing is used for a specific limited purpose, it is advisable to install and manage them using virtual environments. Python
Virtual Environments allows you to install Python modules in an isolated location for a specific project, rather than being installed globally. This way you do not have to worry about affecting other Python projects.
In this section we will explore pip useful commands. Pip allows you to install packages from PyPI, version control packages, local projects, and from distribution files.
Installing Packages with Pip
To install a package with pip, use
pip install command. This will install the latest version by default.
pip3 install docker-compose
If you want to install a specific version of a package, specify it like this:
pip3 install docker-compose==1.29.0
Using requirements file to install pip packages
If you have a number of packages to install with a specific version for each package, you can add them to a file called
requirements.txt. You can add the packages in the formatt
Use the following command to install a list of requirements specified in a file:
pip3 install -r requirements.txt
Listing Installed Packages
Use this command to list installed packages. This will list each package and the version installed for that package.
$ pip3 list | grep docker docker 5.0.3 docker-compose 1.29.2 dockerpty 0.4.1
A common way to list the packages is using a format that can be added to a
requirements.txt file. Use this command to list them in that format:
$ pip3 freeze | grep docker docker==5.0.3 docker-compose==1.29.2 dockerpty==0.4.1
Upgrading installed package
Use this command to upgrade installed package
pip3 install --upgrade package_name
pip3 install --upgrade docker-compose
Uninstalling Packages With Pip
To uninstall a package run:
pip3 uninstall package_name
pip3 uninstall docker-compose
In this guide, you have learned how to install pip on your Debian 11 system and how to manage Python packages using pip. For more information about pip, visit the pip user guide page.